NB I-75 BL over I-75 SB

Map

Coordinates:
+44.64470, -84.70786
44°38'41" N, 84°42'28" W

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

Name:	NB I-75 BL over I-75 SB
Structure number:	000000000002035
Old structure number:	20120014000S030 `(from 1992 edition)`
Location:	@ S JCT I-75 BL
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Rural) `[01]`
Length of largest span:	88.9 ft. `[27.1 m]`
Total length:	204.7 ft. `[62.4 m]`
Roadway width between curbs:	21.7 ft. `[6.6 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	50°
Owner:	State Highway Agency `[01]`
Year built:	1961
Year reconstructed:	2008
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	4,810 `[as of 2007]`
Truck traffic:	10% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Underclearances appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	96.2

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2018	Good	Good	Good	Good	4810	96.2
March 2016	Good	Good	Good	Good	4810	96.2
April 2014	Good	Good	Good	Good	4810	96.2
April 2012	Good	Good	Good	Good	4810	96.2
February 2011	Good	Good	Good	Good	4810	96.2
February 2009	Good	Good	Good	Good	4810	97.2
February 2007	Fair	Satisfactory	Good	Good	4039	92.4
February 2005	Fair	Satisfactory	Good	Satisfactory	8000	90.8
February 2003	Fair	Satisfactory	Good	Satisfactory	8000	89.7
February 2001	Fair	Satisfactory	Good	Satisfactory	8000	89.7
August 1999	Fair	Satisfactory	Good	Satisfactory	8000	89.7
August 1997	Fair	Satisfactory	Good	Good	8000	89.7
July 1995	Fair	Satisfactory	Good	Good	6200	91.5
June 1993	Fair	Satisfactory	Good	Good	6200	91.5
April 1991	Fair	Satisfactory	Good	Good	6200	91.5

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	1,015	891	124	0	0
Steel Protective Coating	sq. ft.	10,949	10,840	109	0	0
Deck
Reinforced Concrete Deck	sq. ft.	5,278	5,278	0	0	0
Wearing Surfaces	sq. ft.	4,263	4,263	0	0	0
Substructure
Reinforced Concrete Column	each	6	2	2	2	0
Concrete Protective Coating	sq. ft.	958	958	0	0	0
Reinforced Concrete Abutment	linear ft.	151	131	20	0	0
Concrete Protective Coating	sq. ft.	1,272	1,272	0	0	0
Reinforced Concrete Pier Cap	linear ft.	78	35	43	0	0
Concrete Protective Coating	sq. ft.	1,188	1,188	0	0	0
Joints
Strip Seal Joint	linear ft.	70	70	0	0	0
Pourable Joint	linear ft.	70	0	0	51	19
Bearings
Movable Bearing	each	15	0	15	0	0
Fixed Bearing	each	15	6	9	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	410	360	30	20	0
Concrete Protective Coating	sq. ft.	3,280	3,280	0	0	0