US Bridges

Commonwealth Blvd. over Tributary of Rabbit Br.

Good

Fairfax County, Virginia · 0.07FR4809/0.02TO4807 · Structure no. 000000000007029

Built
1971
54 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
4,147
2022 count
Owner
State
State Highway Agency

About this bridge

Commonwealth Blvd. over Tributary of Rabbit Br. is a concrete culvert carrying Commonwealth Blvd. over Tributary of Rabbit Br. in Fairfax County, Virginia. It was built in 1971, so it is 54 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,147 vehicles a day, roughly 1% of them trucks, projected to reach 4,624 by 2045. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCommonwealth Blvd.
CrossesTributary of Rabbit Br.
Location0.07FR4809/0.02TO4807
RouteCounty Highway 4801
CountyFairfax County
StateVirginia
Coordinates38.81326, -77.28431
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 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 Tributary of Rabbit Br. built?

It was built in 1971, making it 54 years old in 2025.

What condition is Commonwealth Blvd. over Tributary of Rabbit Br. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Commonwealth Blvd. over Tributary of Rabbit Br. carry?

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

How long is Commonwealth Blvd. over Tributary of Rabbit Br.?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Commonwealth Blvd. over Tributary of Rabbit Br.?

It is owned by the State Highway Agency.