US Bridges

Fairmont Avenue over Trib. of Flat Branch

Good

Prince William County, Virginia · 0.38FR1529/0.40TO234 · Structure no. 000000000030521

Built
2014
11 years old
Condition
Good
inspected August 2023
Type
Arch - Deck
Concrete
Length
60 ft
2 main spans
Daily traffic
500
2014 count
Owner
State
State Highway Agency

About this bridge

Fairmont Avenue over Trib. of Flat Branch is a concrete arch - deck carrying Fairmont Avenue over Trib. of Flat Branch in Prince William County, Virginia. It was built in 2014, so it is 11 years old, younger 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 2,500 by 2042. The structure is 60 ft (18.3 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFairmont Avenue
CrossesTrib. of Flat Branch
Location0.38FR1529/0.40TO234
RouteCounty Highway 1538
CountyPrince William County
StateVirginia
Coordinates38.77616, -77.49318
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating92.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span28 ft (8.5 m)
Deck width86 ft (26.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic500 (2014)
Projected traffic2,500 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fairmont Avenue over Trib. of Flat Branch built?

It was built in 2014, making it 11 years old in 2025.

What condition is Fairmont Avenue over Trib. of Flat Branch 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 August 2023.

How much traffic does Fairmont Avenue over Trib. of Flat Branch carry?

About 500 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Fairmont Avenue over Trib. of Flat Branch?

The structure is 60 ft (18.3 m) long with a longest span of 28 ft (8.5 m) and a deck 86 ft wide.

Who owns Fairmont Avenue over Trib. of Flat Branch?

It is owned by the State Highway Agency.