US Bridges

Anacostia Freeway over Firth Sterling Ave

Good

District of Columbia, District of Columbia · Anacostia Frwy/ Firth · Structure no. 1012

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
276 ft
3 main spans
Daily traffic
81,700
2007 count
Owner
State
State Highway Agency

About this bridge

Anacostia Freeway over Firth Sterling Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying Anacostia Freeway over Firth Sterling Ave in District of Columbia, District of Columbia. It was built in 2022, so it is 3 years old, younger than the District of Columbia average of 63.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 81,700 vehicles a day, roughly 5% of them trucks, projected to reach 85,000 by 2027. The structure is 276 ft (84 m) long and 140 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAnacostia Freeway
CrossesFirth Sterling Ave
LocationAnacostia Frwy/ Firth
RouteInterstate 295
Coordinates38.85993, -77.00311
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length276 ft (84 m)
Longest span138 ft (42.1 m)
Deck width140 ft (42.6 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,700 (2007)
Projected traffic85,000 by 2027
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Anacostia Freeway over Firth Sterling Ave built?

It was built in 2022, making it 3 years old in 2025.

What condition is Anacostia Freeway over Firth Sterling Ave in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Anacostia Freeway over Firth Sterling Ave carry?

About 81,700 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Anacostia Freeway over Firth Sterling Ave?

The structure is 276 ft (84 m) long with a longest span of 138 ft (42.1 m) and a deck 140 ft wide.

Who owns Anacostia Freeway over Firth Sterling Ave?

It is owned by the State Highway Agency.