US Bridges

E Ramp to Wh Frwy over Storage Yd near Potomac

Fair

District of Columbia, District of Columbia · Key Bridge over Potomac R · Structure no. 0007(EAST RAMP)

Built
1956
69 years old, rebuilt 1986
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
282 ft
7 main spans
Daily traffic
7,000
2018 count
Owner
State
State Highway Agency

About this bridge

E Ramp to Wh Frwy over Storage Yd near Potomac is a concrete continuous stringer/multi-beam or girder carrying E Ramp to Wh Frwy over Storage Yd near Potomac in District of Columbia, District of Columbia. It was built in 1956 and reconstructed in 1986, so it is 69 years old, older than the District of Columbia average of 63.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,000 vehicles a day, roughly 3% of them trucks, projected to reach 30,000 by 2030. The structure is 282 ft (86 m) long and 27 ft wide.

CarriesE Ramp to Wh Frwy
CrossesStorage Yd near Potomac
LocationKey Bridge over Potomac R
RouteU.S. Route 29
Coordinates38.90384, -77.06805
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length282 ft (86 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2018)
Projected traffic30,000 by 2030
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E Ramp to Wh Frwy over Storage Yd near Potomac built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1986.

What condition is E Ramp to Wh Frwy over Storage Yd near Potomac in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does E Ramp to Wh Frwy over Storage Yd near Potomac carry?

About 7,000 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is E Ramp to Wh Frwy over Storage Yd near Potomac?

The structure is 282 ft (86 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns E Ramp to Wh Frwy over Storage Yd near Potomac?

It is owned by the State Highway Agency.