I-75 over SR 3 (US 41)

Map

Coordinates:
+34.55686, -84.93599
34°33'25" N, 84°56'10" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	I-75 over SR 3 (US 41)
Structure number:	000000012900640
Location:	4 MI N OF CALHOUN
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	104.0 ft. `[31.7 m]`
Total length:	273.0 ft. `[83.2 m]`
Roadway width between curbs:	133.5 ft. `[40.7 m]`
Deck width edge-to-edge:	139.4 ft. `[42.5 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	64°
Owner:	State Highway Agency `[01]`
Year built:	1962
Year reconstructed:	1987
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
Number of main spans:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	63,350 `[as of 2012]`
Truck traffic:	1% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Superior to present desirable criteria `[9]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	82.9
Estimated cost of work:	$3,345,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2017	Good	Very Good	Very Good	Good	63350	82.9
July 2015	Good	Good	Good	Good	63350	82.9
July 2013	Fair	Good	Good	Fair	63350	72.9
July 2011	Fair	Good	Good	Fair	64620	76.9
June 2009	Fair	Good	Good	Fair	64620	76.9
June 2007	Fair	Good	Good	Fair	67900	76.9
June 2005	Fair	Satisfactory	Good	Fair	68220	76.9
June 2003	Good	Good	Good	Good	70400	95.8
July 2001	Good	Good	Good	Good	67500	95.8
July 1999	Good	Good	Good	Good	70200	93.8
June 1997	Good	Good	Good	Good	70200	98.0
May 1995	Good	Good	Very Good	Good	70200	98.0
May 1993	Good	Good	Very Good	Good	57080	98.0
May 1991	Good	Good	Very Good	Good	50900	98.0

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	6,552	6,552	0	0	0
Steel Protective Coating	sq. ft.	58,968	58,968	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	38,029	38,029	0	0	0
Substructure
Reinforced Concrete Column	each	24	24	0	0	0
Reinforced Concrete Abutment	linear ft.	280	280	0	0	0
Reinforced Concrete Pier Cap	linear ft.	280	280	0	0	0
Joints
Pourable Joint	linear ft.	420	420	0	0	0
Bearings
Movable Bearing	each	72	72	0	0	0
Steel Protective Coating	sq. ft.	144	144	0	0	0
Fixed Bearing	each	24	24	0	0	0
Steel Protective Coating	sq. ft.	48	48	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	819	0	819	0	0