US Bridges

Rmps B & F I-495 over Accotink Creek

Fair

Fairfax County, Virginia · 00.01FR495SB 00.01TO236EB · Structure no. 000000000006571

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
3 main spans
Daily traffic
7,509
2022 count
Owner
State
State Highway Agency

About this bridge

Rmps B & F I-495 over Accotink Creek is a steel stringer/multi-beam or girder carrying Rmps B & F I-495 over Accotink Creek in Fairfax County, Virginia. It was built in 1961, so it is 64 years old, older than the Virginia average of 50.7 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 7,509 vehicles a day, roughly 5% of them trucks, projected to reach 8,373 by 2045. The structure is 166 ft (50.6 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRmps B & F I-495
CrossesAccotink Creek
Location00.01FR495SB 00.01TO236EB
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.83326, -77.21979
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span60 ft (18.3 m)
Deck width55 ft (16.8 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,509 (2022)
Projected traffic8,373 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$210 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Rmps B & F I-495 over Accotink Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Rmps B & F I-495 over Accotink Creek 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 January 2025.

How much traffic does Rmps B & F I-495 over Accotink Creek carry?

About 7,509 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Rmps B & F I-495 over Accotink Creek?

The structure is 166 ft (50.6 m) long with a longest span of 60 ft (18.3 m) and a deck 55 ft wide.

Who owns Rmps B & F I-495 over Accotink Creek?

It is owned by the State Highway Agency.