CONNECTICUT AVENUE over ROCK CREEK & POTOMAC PKW

Map

Coordinates:
+38.92123, -77.05013
38°55'16" N, 77°03'00" W

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

Name:	CONNECTICUT AVENUE over ROCK CREEK & POTOMAC PKW
Structure number:	0029
Location:	OVER ROCK CREEK, N.W.
Purpose:	Carries highway and pedestrian walkway over highway and waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	146.0 ft. `[44.5 m]`
Total length:	756.9 ft. `[230.7 m]`
Roadway width between curbs:	44.9 ft. `[13.7 m]`
Deck width edge-to-edge:	87.9 ft. `[26.8 m]`
Vertical clearance below bridge:	44.9 ft. `[13.7 m]`
Owner:	State Highway Agency `[01]`
Year built:	1907
Year reconstructed:	1995
Historic significance:	Bridge is on the National Register of Historic Places `[1]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	7
Main spans material:	Concrete continuous `[2]`
Main spans design:	Arch - Deck `[11]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	29,100 `[as of 2007]`
Truck traffic:	2% 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]`
Underclearances appraisal:	Superior to present desirable criteria `[9]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. `[9]`
Operating rating:	53.9 tons `[49.0 metric tons]`
Inventory rating:	36.0 tons `[32.7 metric tons]`
Sufficiency rating:	75.4

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
January 2016	75.4	Fair	Satisfactory	Satisfactory	Satisfactory	FO	29100
December 2013	75.4	Fair	Satisfactory	Satisfactory	Satisfactory	FO	29100
November 2011	75.4	Fair	Satisfactory	Satisfactory	Satisfactory	FO	29100
March 2010	73.4	Fair	Good	Satisfactory	Satisfactory	FO	29100
February 2008	60.9	Fair	Good	Satisfactory	Fair	FO	34000
September 2005	72.8	Good	Good	Good	Good	FO	34000
July 2003	72.8	Fair	Good	Good	Satisfactory	-	34000
July 2001	72.8	Fair	Good	Good	Satisfactory	-	34000
December 1998	70.8	Good	Very Good	Good	Good	-	34000
December 1996	70.8	Good	Very Good	Good	Good	-	34000
December 1990	37.1	Poor	Poor	Poor	Poor	SD	34000