I-471 over US 27

Map

Coordinates:
+39.06639, -84.46528
39°03'59" N, 84°27'55" W

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

Name:	I-471 over US 27
Structure number:	019B00049R
Old structure number:	0190471B0049P `(from 1992 edition)`
Location:	1.7 MI N OF I-275 INTRCH
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	158.1 ft. `[48.2 m]`
Total length:	351.4 ft. `[107.1 m]`
Roadway width between curbs:	56.1 ft. `[17.1 m]`
Deck width edge-to-edge:	63.3 ft. `[19.3 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	33°
Owner:	State Highway Agency `[01]`
Year built:	1977
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 continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	49,508 `[as of 2016]`
Truck traffic:	4% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Underclearances appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Superior to present desirable criteria `[9]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	97.9
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. `[34]`
Estimated cost of work:	$2,663,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Good	Satisfactory	Satisfactory	49508	97.9
August 2015	Fair	Good	Satisfactory	Satisfactory	46715	97.9
August 2013	Fair	Good	Satisfactory	Satisfactory	47741	97.9
August 2011	Fair	Good	Satisfactory	Satisfactory	46300	93.5
February 2010	Good	Good	Good	Good	42200	93.9
January 2008	Good	Good	Good	Good	93400	86.9
September 2005	Good	Good	Good	Good	94010	84.9
November 2003	Fair	Satisfactory	Satisfactory	Satisfactory	89057	91.3
September 2001	Fair	Good	Good	Satisfactory	89057	89.3
August 1999	Good	Good	Very Good	Good	89057	89.3
June 1998	Good	Good	Very Good	Good	89057	89.3
September 1995	Good	Good	Very Good	Good	27556	85.9
September 1993	Good	Good	Very Good	Good	27556	84.5
August 1991	Good	Good	Very Good	Good	27556	84.5

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.	2,443	2,343	100	0	0
Steel Protective Coating	sq. ft.	20,008	20,008	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	22,328	22,028	300	0	0
Wearing Surfaces	sq. ft.	19,712	19,712	0	0	0
Substructure
Reinforced Concrete Column	each	10	10	0	0	0
Reinforced Concrete Abutment	linear ft.	144	119	25	0	0
Reinforced Concrete Pier Cap	linear ft.	133	132	1	0	0
Joints
Strip Seal Joint	linear ft.	67	27	40	0	0
Bearings
Movable Bearing	each	21	10	10	1	0
Steel Protective Coating	sq. ft.	63	35	18	6	4
Fixed Bearing	each	7	7	0	0	0
Steel Protective Coating	sq. ft.	28	24	4	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	706	584	120	2	0