US Bridges

Ramp 1 over SB Exit Rmp 3 to SB I-95

Fair

District of Columbia, District of Columbia · Center Leg Inner Loop · Structure no. 1142(RAMP 1)

Built
1972
53 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
9,000
2018 count
Owner
State
State Highway Agency

About this bridge

Ramp 1 over SB Exit Rmp 3 to SB I-95 is a steel stringer/multi-beam or girder carrying Ramp 1 over SB Exit Rmp 3 to SB I-95 in District of Columbia, District of Columbia. It was built in 1972, so it is 53 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 5 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 9,000 vehicles a day, roughly 4% of them trucks, projected to reach 18,000 by 2027. The structure is 72 ft (21.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp 1
CrossesSB Exit Rmp 3 to SB I-95
LocationCenter Leg Inner Loop
RouteInterstate 395
CountyDistrict of Columbia
StateDistrict of Columbia
Coordinates38.88485, -77.01296
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.7 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,000 (2018)
Projected traffic18,000 by 2027
Trucks4%
Lanes on structure1
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$175,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp 1 over SB Exit Rmp 3 to SB I-95 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Ramp 1 over SB Exit Rmp 3 to SB I-95 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 Ramp 1 over SB Exit Rmp 3 to SB I-95 carry?

About 9,000 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Ramp 1 over SB Exit Rmp 3 to SB I-95?

The structure is 72 ft (21.9 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Ramp 1 over SB Exit Rmp 3 to SB I-95?

It is owned by the State Highway Agency.