US Bridges

Williamson Blvd. over Tributary of Bull Run

Fair

Prince William County, Virginia · 00.30 234 / 00.17 1636 · Structure no. 000000000014417

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
13,080
2022 count
Owner
State
State Highway Agency

About this bridge

Williamson Blvd. over Tributary of Bull Run is a concrete culvert carrying Williamson Blvd. over Tributary of Bull Run in Prince William County, Virginia. It was built in 1989, so it is 36 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 13,080 vehicles a day, roughly 1% of them trucks, projected to reach 19,097 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWilliamson Blvd.
CrossesTributary of Bull Run
Location00.30 234 / 00.17 1636
RouteCounty Highway 1596
Coordinates38.79601, -77.5115
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,080 (2022)
Projected traffic19,097 by 2042
Trucks1%
Lanes on structure5
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$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Williamson Blvd. over Tributary of Bull Run built?

It was built in 1989, making it 36 years old in 2025.

What condition is Williamson Blvd. over Tributary of Bull Run 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 May 2024.

How much traffic does Williamson Blvd. over Tributary of Bull Run carry?

About 13,080 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Williamson Blvd. over Tributary of Bull Run?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m).

Who owns Williamson Blvd. over Tributary of Bull Run?

It is owned by the State Highway Agency.