Federal Bridge Formula

Distance------2axles-----3axles-----4axles-----5axles-----6axles-----7axles-----8axles

4'-------------34,000-------------------------------------------------------------------

5'-------------34,000-------------------------------------------------------------------

6'-------------34,000-------------------------------------------------------------------

7'-------------34,000-------------------------------------------------------------------

8' & less------34,000---34,000---------------------------------------------------------

More than 8'--38,000---42,000---------------------------------------------------------

9'-------------39,000--42,500-----------------------------------------------------------

10'------------40,000--43,500-----------------------------------------------------------

11'---------------------44,000------------------------------------------------------------

12'---------------------45,000--50,000--------------------------------------------------

13'--------------------------------45,500--50,500---------------------------------------

14'--------------------------------46,500--51,500---------------------------------------

15'--------------------------------47,000--52,000---------------------------------------

16'--------------------------------48,000--52,500--58,000-------------------------------

17'--------------------------------48,500--53,500--58,500-------------------------------

18'--------------------------------49,500--54,000--59,000-------------------------------

19'--------------------------------50,000--54,500--60,000-------------------------------

20'--------------------------------51,000--55,500--60,500--66,000--------------------

21'--------------------------------51,500--56,000--61,000--66,500--------------------

22'--------------------------------52,500--56,500--61,500--67,000--------------------

23'--------------------------------53,000--57,500--62,500--68,000--------------------

24'--------------------------------54,000--58,000--63,000--68,500--74,000----------

25'--------------------------------54,500--58,500--63,500--69,000-74,500-----------

26'--------------------------------55,500--59,500--64,000--69,500--75,000----------

27'--------------------------------56,000--60,000--65,500--70,000--75,500----------

28'--------------------------------57,000--60,500--65,500--71,000--76,500--80,000

29'--------------------------------57,500--61,500--66,000--71,500--77,000--80,000

30'--------------------------------58,500--62,000--66,500--72,000--77,500--80,000

31'--------------------------------59,000--62,500--67,500--72,500--78,000--80,000

32'--------------------------------60,000--63,500--68,000--73,000--78,500--80,000

33'----------------------------------------64,000--68,500--74,000--79,000--80,000

34'----------------------------------------64,500--69,000--74,500--80,000--80,000

35'----------------------------------------65,500--70,000--75,000--80,000--80,000

36'----------------------------------------66,000--70,500--75,500--80,000--80,000

37'----------------------------------------66,500--71,000--76,500--80,000--80,000

38'----------------------------------------67,500--71,500--77,000--80,000--80,000

39'----------------------------------------68,000--72,500--77,500--80,000--80,000

40'----------------------------------------68,500--73,000--78,000--80,000--80,000