US Bridges

T.R. Bridge Ramp over Inner Loop

Fair

District of Columbia, District of Columbia · Near 23rd & Kenn Cent · Structure no. 1204

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete Continuous
Length
397 ft
3 main spans
Daily traffic
16,000
2018 count
Owner
State
State Highway Agency

About this bridge

T.R. Bridge Ramp over Inner Loop is a concrete continuous frame carrying T.R. Bridge Ramp over Inner Loop in District of Columbia, District of Columbia. It was built in 1964, so it is 61 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 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 16,000 vehicles a day, roughly 1% of them trucks, projected to reach 16,000 by 2028. The structure is 397 ft (121.1 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT.R. Bridge Ramp
CrossesInner Loop
LocationNear 23rd & Kenn Cent
RouteInterstate 66
Coordinates38.89258, -77.05333
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.9 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length397 ft (121.1 m)
Longest span86 ft (26.2 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2018)
Projected traffic16,000 by 2028
Trucks1%
Lanes on structure2
Traffic directionOne-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$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was T.R. Bridge Ramp over Inner Loop built?

It was built in 1964, making it 61 years old in 2025.

What condition is T.R. Bridge Ramp over Inner Loop 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 June 2024.

How much traffic does T.R. Bridge Ramp over Inner Loop carry?

About 16,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is T.R. Bridge Ramp over Inner Loop?

The structure is 397 ft (121.1 m) long with a longest span of 86 ft (26.2 m) and a deck 37 ft wide.

Who owns T.R. Bridge Ramp over Inner Loop?

It is owned by the State Highway Agency.