US Bridges

Roberts Road over Rabbit Branch

Fair

Fairfax County, Virginia · 00.10FR620/00.08TO4815 · Structure no. 000000000007059

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
7,618
2022 count
Owner
State
State Highway Agency

About this bridge

Roberts Road over Rabbit Branch is a concrete culvert carrying Roberts Road over Rabbit Branch in Fairfax County, Virginia. It was built in 1985, so it is 40 years old, younger 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 7,618 vehicles a day, roughly 1% of them trucks, projected to reach 11,122 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRoberts Road
CrossesRabbit Branch
Location00.10FR620/00.08TO4815
RouteCounty Highway 5498
CountyFairfax County
StateVirginia
Coordinates38.82406, -77.30152
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,618 (2022)
Projected traffic11,122 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$175 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Roberts Road over Rabbit Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Roberts Road 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 June 2024.

How much traffic does Roberts Road over Rabbit Branch carry?

About 7,618 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Roberts Road over Rabbit Branch?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Roberts Road over Rabbit Branch?

It is owned by the State Highway Agency.