US Bridges

24th Street N.W. over K Street N.W.

Fair

District of Columbia, District of Columbia · 24th ST over K ST NW · Structure no. 0102(24TH ST)

Built
1960
65 years old, rebuilt 2000
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
4,000
2018 count
Owner
State
State Highway Agency

About this bridge

24th Street N.W. over K Street N.W. is a steel stringer/multi-beam or girder carrying 24th Street N.W. over K Street N.W. in District of Columbia, District of Columbia. It was built in 1960 and reconstructed in 2000, so it is 65 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 4,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,000 by 2020. The structure is 66 ft (20.1 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries24th Street N.W.
CrossesK Street N.W.
Location24th ST over K ST NW
RouteCity Street 0
Coordinates38.90262, -77.05141
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.8 US tons
Inventory rating31.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width59 ft (18 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2018)
Projected traffic7,000 by 2020
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 24th Street N.W. over K Street N.W. built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2000.

What condition is 24th Street N.W. over K Street N.W. 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 November 2023.

How much traffic does 24th Street N.W. over K Street N.W. carry?

About 4,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is 24th Street N.W. over K Street N.W.?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 59 ft wide.

Who owns 24th Street N.W. over K Street N.W.?

It is owned by the State Highway Agency.