RAMPS TO&FROM over ROCK CREEK

Map

Coordinates:
+38.90265, -77.05752
38°54'10" N, 77°03'27" W

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

Name:	RAMPS TO&FROM over ROCK CREEK
Structure number:	0036(N&S Ramps)
Location:	RAMPS OVER ROCK CREEK
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	74.8 ft. `[22.8 m]`
Total length:	77.8 ft. `[23.7 m]`
Roadway width between curbs:	18.0 ft. `[5.5 m]`
Deck width edge-to-edge:	28.9 ft. `[8.8 m]`
Vertical clearance above deck:	12.5 ft. `[3.8 m]`
Vertical clearance below bridge:	11.5 ft. `[3.5 m]`
Skew angle:	29°
Owner:	State Highway Agency `[01]`
Year built:	1940
Year reconstructed:	1998
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 18 / H 20 `[4]`
Main span material:	Concrete `[1]`
Main span design:	Frame `[07]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Low slump Concrete `[4]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	9,000 `[as of 2007]`
Truck traffic:	1% of total traffic
Deck condition:	Satisfactory `[6 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:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. `[5]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Operating rating:	56.9 tons `[51.7 metric tons]`
Inventory rating:	33.9 tons `[30.8 metric tons]`
Sufficiency rating:	74.2

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
March 2015	74.2	Fair	Satisfactory	Satisfactory	Satisfactory	FO	9000