Multiple ply modular construction

1. A tire carcass comprising:

a first ply portion;

a second ply portion, each ply portion having an inner sidewall ply, an outer sidewall ply, a first end, a second end, and a bead core, wherein each ply portion extends around the bead core;

a bridge portion, wherein the first ends of the ply portions are separated by the bridge portion; and,

at least three bridge plies each having a first end and a second end, wherein the at least three bridge plies span the bridge portion, wherein the first end of each bridge ply is between the inner sidewall ply and outer sidewall ply of the first ply portion and the second end of each bridge ply is between the inner sidewall ply and outer sidewall ply of the second ply portion, wherein the overlap of the bridge plies and the ply portions is between about one inch and up to the bead core, but not around the bead core.

2. The tire carcass of claim 1 , wherein the first and second ends of the at least one bridge ply extend substantially to the bead core.

3. A tire carcass comprising:

a first ply portion;

a second ply portion, each ply portion having an inner sidewall ply, an outer sidewall ply, a first end, a second end, and a bead core, wherein each ply portion extends around the bead core;

a bridge portion, wherein the first ends of the ply portions are separated by the bridge portion; and

at least one bridge ply, wherein the at least one bridge ply spans the bridge portion, wherein the first and second ends of the at least one bridge ply extend substantially to the bead core, but not around the bead core;

wherein the tire carcass further comprises one from the group comprising:

(i) the at least one bridge ply is at least two bridge plies, the bridge plies being layered on top of each other, wherein the bridge plies are on top of the outer sidewall ply;

(ii) the at least one bridge ply is at least two bridge plies, wherein the bridge plies are between the inner and outer sidewall plies;

(iii) the at least one bridge ply is at least two bridge plies, wherein the bridge plies are layered on top of each other, wherein the bridge plies are underneath the inner sidewall ply;

(iv) the at least one bridge ply is at least two bridge plies, wherein at least one of the bridge plies is on top of the outer sidewall ply and at least one of the bridge plies is in between the inner and outer sidewall plies;

(v) the at least one bridge ply is at least two bridge plies, wherein at least one of the bridge plies is on top of the outer sidewall ply and at least one of the bridge plies is underneath the inner sidewall ply;

(vi) the at least one bridge ply is at least two bridge plies, wherein at least one of the bridge plies is in between the inner and outer sidewall plies and at least one of the bridge plies is underneath the inner sidewall ply;

(vii) the at least one bridge ply is at least three bridge plies, wherein at least one bridge ply is on top of the outer sidewall ply, at least one bridge ply in between the inner and outer sidewall plies, and at least one bridge ply is underneath the inner sidewall ply;

(viii) the at least one bridge ply is at least three bridge plies, wherein the bridge plies are layered on top of each other, wherein the bridge plies are on top of the outer sidewall ply;

(ix) the at least one bridge ply is at least three bridge plies, wherein the bridge plies are layered on top of each other, wherein the bridge plies are underneath the inner sidewall ply;

(x) the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are on top of the outer sidewall ply and at least one of the bridge plies is in between the inner and outer sidewall plies;

(xi) the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are on top of the outer sidewall ply and at least one of the bridge plies is underneath the inner sidewall ply;

(xii) the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are in between the inner and outer sidewall plies and at least one of the bridge plies is underneath the inner sidewall ply;

(xiii) the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are in between the inner and outer sidewall plies and at least one of the bridge plies is on top of the outer sidewall ply,

(xiv) the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are underneath the inner sidewall ply and at least one of the bridge plies is in between the inner and outer sidewall plies; and

(xv) the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are underneath the inner sidewall ply and at least one of the bridge plies is on top of the outer sidewall plies.

4. The tire carcass of claim 3 , wherein the at least one bridge ply is at least two bridge plies, the bridge plies being layered on top of each other, wherein the bridge plies are on top of the outer sidewall ply.

5. The tire carcass of claim 3 , wherein the at least one bridge ply is at least two bridge plies, wherein the bridge plies are between the inner and outer sidewall plies.

6. The tire carcass of claim 3 , wherein the at least one bridge ply is at least two bridge plies, wherein the bridge plies are layered on top of each other, wherein the bridge plies are underneath the inner sidewall ply.

7. The tire carcass of claim 3 , wherein the at least one bridge ply is at least two bridge plies, wherein at least one of the bridge plies is on top of the outer sidewall ply and at least one of the bridge plies is in between the inner and outer sidewall plies.

8. The tire carcass of claim 3 , wherein the at least one bridge ply is at least two bridge plies, wherein at least one of the bridge plies is on top of the outer sidewall ply and at least one of the bridge plies is underneath the inner sidewall ply.

9. The tire carcass of claim 3 , wherein the at least one bridge ply is at least two bridge plies, wherein at least one of the bridge plies is in between the inner and outer sidewall plies and at least one of the bridge plies is underneath the inner sidewall ply.

10. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least one bridge ply is on top of the outer sidewall ply, at least one bridge ply in between the inner and outer sidewall plies, and at least one bridge ply is underneath the inner sidewall ply.

11. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein the bridge plies are layered on top of each other, wherein the bridge plies are on top of the outer sidewall ply.

12. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein the bridge plies are layered on top of each other, wherein the bridge plies are underneath the inner sidewall ply.

13. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are on top of the outer sidewall ply and at least one of the bridge plies is in between the inner and outer sidewall plies.

14. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are on top of the outer sidewall ply and at least one of the bridge plies is underneath the inner sidewall ply.

15. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are in between the inner and outer sidewall plies and at least one of the bridge plies is underneath the inner sidewall ply.

16. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are in between the inner and outer sidewall plies and at least one of the bridge plies is on top of the outer sidewall ply.

17. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are underneath the inner sidewall ply and at least one of the bridge plies is in between the inner and outer sidewall plies.

18. The tire carcass of claim 3 , wherein the at least one bridge ply is at least three bridge plies, wherein at least two of the bridge plies are underneath the inner sidewall ply and at least one of the bridge plies is on top of the outer sidewall plies.

19. A tire carcass comprising:

a first ply portion;

a second ply portion, each ply portion having an inner sidewall ply, an outer sidewall ply, a first end, a second end, and a bead core, wherein each ply portion extends around the bead core;

a bridge portion, wherein the first ends of the ply portions are separated by the bridge portion; and

at least two bridge plies, wherein the at least two bridge plies span the bridge portion, wherein the first and second ends of the at least two bridge plies extend substantially to the bead core, but not around the bead core.

20. The tire carcass of claim 19 , further comprising three bridge plies, wherein the three bridge plies spans the bridge portion, wherein the first and second ends of the three bridge plies extend substantially to the bead core, but not around the bead core.