TR BRIDGE(RAMP F) over INNER LOOP

Map

Coordinates:
+38.89556, -77.05396
38°53'44" N, 77°03'14" W

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

Name:	TR BRIDGE(RAMP F) over INNER LOOP
Structure number:	1206
Location:	TR BRIDGE & INNER LOO
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	81.0 ft. `[24.7 m]`
Total length:	145.0 ft. `[44.2 m]`
Roadway width between curbs:	21.0 ft. `[6.4 m]`
Deck width edge-to-edge:	26.9 ft. `[8.2 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	99°
Owner:	State Highway Agency `[01]`
Year built:	1964
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:	2
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:	12,100 `[as of 1992]`
Truck traffic:	1% of total traffic
Deck condition:	Fair `[5 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:	Basically intolerable requiring high priority of replacement `[2]`
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	84.7
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,000,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2017	Fair	Fair	Good	Good	12100	84.7
September 2015	Fair	Good	Good	Satisfactory	12100	83.7
September 2013	Fair	Good	Good	Satisfactory	12100	83.7
September 2011	Fair	Satisfactory	Fair	Satisfactory	12100	73.9
October 2009	Fair	Satisfactory	Fair	Satisfactory	12100	73.9
October 2007	Fair	Satisfactory	Fair	Satisfactory	12100	73.9
July 2005	Fair	Good	Satisfactory	Satisfactory	12100	85.1
September 2003	Fair	Satisfactory	Good	Satisfactory	12100	85.1
October 2000	Fair	Satisfactory	Good	Good	12100	85.1
March 1998	Good	Good	Good	Good	12100	85.1
January 1996	Good	Good	Good	Good	12100	90.0
August 1993	Good	Good	Good	Good	12100	90.0
February 1991	Good	Good	Good	Good	12100	90.0

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.	555	551	4	0	0
Steel Protective Coating	sq. ft.	5,679	5,678	0	0	1
Deck
Reinforced Concrete Deck	sq. ft.	3,915	3,834	10	71	0
Wearing Surfaces	sq. ft.	3,045	2,863	182	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	27	27	0	0	0
Reinforced Concrete Abutment	linear ft.	66	35	29	2	0
Joints
Assembly without Seal Joint	linear ft.	60	0	58	2	0
Bearings
Movable Bearing	each	8	4	4	0	0
Steel Protective Coating	sq. ft.	32	31	0	0	1
Fixed Bearing	each	4	2	2	0	0
Steel Protective Coating	sq. ft.	16	15	0	0	1
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	290	289	0	1	0
Steel Protective Coating	sq. ft.	10	10	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	290	289	0	1	0
Concrete Protective Coating	sq. ft.	1,160	0	0	0	1,160