PENNSYLVANIA AVE over ROCK CREEK & POT PKW

Facts

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

Name:	PENNSYLVANIA AVE over ROCK CREEK & POT PKW
Structure number:	0118
Location:	PENN AVE OVER ROCK CREEK
Purpose:	Carries highway and pedestrian walkway over highway and waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	164.1 ft. `[50.0 m]`
Total length:	280.9 ft. `[85.6 m]`
Roadway width between curbs:	49.9 ft. `[15.2 m]`
Deck width edge-to-edge:	73.5 ft. `[22.4 m]`
Vertical clearance below bridge:	12.1 ft. `[3.7 m]`
Owner:	State Highway Agency `[01]`
Year built:	1916
Year reconstructed:	1979
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Concrete `[1]`
Main span 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:	21,100 `[as of 2007]`
Truck traffic:	5% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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]`
Pier/abutment protection:	In place but re-evaluation of design suggested `[4]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Operating rating:	49.6 tons `[45.1 metric tons]`
Inventory rating:	29.8 tons `[27.1 metric tons]`
Sufficiency rating:	62.0
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$9,500,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
March 2016	62.0	Fair	Good	Fair	Satisfactory	FO	21100
February 2016	62.0	Fair	Good	Fair	Satisfactory	FO	21100
January 2014	62.0	Fair	Good	Fair	Satisfactory	FO	21100
September 2011	45.0	Poor	Fair	Good	Poor	SD	21100
August 2009	46.0	Poor	Satisfactory	Satisfactory	Poor	SD	21100
September 2007	73.0	Fair	Satisfactory	Satisfactory	Satisfactory	FO	25000
April 2005	62.0	Fair	Good	Fair	Fair	FO	25000
January 2003	66.0	Fair	Good	Satisfactory	Fair	FO	25000
December 2001	77.0	Fair	Satisfactory	Satisfactory	Satisfactory	FO	25000
May 1998	77.0	Fair	Good	Satisfactory	Satisfactory	FO	25000
March 1996	78.0	Fair	Satisfactory	Satisfactory	Satisfactory	FO	25000
June 1993	67.0	Fair	Satisfactory	Satisfactory	Fair	FO	25000
October 1990	67.0	Fair	Good	Good	Fair	FO	25000

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.

Element	Units	Quantity	1. Good	2. Fair	3. Poor	4. Serious
Superstructure
Steel Stringer	linear ft.	3,025	2,875	150	0	0
Steel Protective Coating	sq. ft.	20,250	19,780	0	300	170
Deck
Reinforced Concrete Deck	sq. ft.	21,468	19,808	1,640	20	0
Superstructure
Reinforced Concrete Arch	linear ft.	164	41	82	41	0
Steel Floor Beam	linear ft.	892	664	32	154	42
Steel Protective Coating	sq. ft.	14,905	13,990	0	515	400
Substructure
Reinforced Concrete Column	each	52	31	10	1	10
Reinforced Concrete Abutment	linear ft.	217	214	3	0	0
Joints
Compression Joint	linear ft.	310	0	0	0	310
Bearings
Movable Bearing	each	44	25	3	16	0
Steel Protective Coating	sq. ft.	10	10	0	0	0
Fixed Bearing	each	20	0	8	12	0
Steel Protective Coating	sq. ft.	143	113	0	0	30
Bridge Rail
Other Material Bridge Rail	linear ft.	554	550	0	4	0