US Bridges

Commonwealth Blvd. over Rabbit Branch

Fair

Fairfax County, Virginia · 00.09 4810 / 00.09 4815 · Structure no. 000000000007030

Built
1969
56 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
4,147
2022 count
Owner
State
State Highway Agency

About this bridge

Commonwealth Blvd. over Rabbit Branch is a concrete culvert carrying Commonwealth Blvd. over Rabbit Branch in Fairfax County, Virginia. It was built in 1969, so it is 56 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 4,147 vehicles a day, roughly 1% of them trucks, projected to reach 4,624 by 2045. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCommonwealth Blvd.
CrossesRabbit Branch
Location00.09 4810 / 00.09 4815
RouteCounty Highway 4801
CountyFairfax County
StateVirginia
Coordinates38.81404, -77.28908
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,147 (2022)
Projected traffic4,624 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$75 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Commonwealth Blvd. over Rabbit Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is Commonwealth Blvd. over Rabbit Branch 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 2023.

How much traffic does Commonwealth Blvd. over Rabbit Branch carry?

About 4,147 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Commonwealth Blvd. over Rabbit Branch?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m).

Who owns Commonwealth Blvd. over Rabbit Branch?

It is owned by the State Highway Agency.