US Bridges

RTE.15 Sbl. over Little Bull Run

Good

Prince William County, Virginia · 00.43FR66/00.35TO625 · Structure no. 000000000028867

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
17,683
2022 count
Owner
State
State Highway Agency

About this bridge

RTE.15 Sbl. over Little Bull Run is a steel stringer/multi-beam or girder carrying RTE.15 Sbl. over Little Bull Run in Prince William County, Virginia. It was built in 2009, so it is 16 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 17,683 vehicles a day, roughly 1% of them trucks, projected to reach 25,817 by 2045. The structure is 79 ft (24.1 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRTE.15 Sbl.
CrossesLittle Bull Run
Location00.43FR66/00.35TO625
RouteU.S. Route 15
CountyPrince William County
StateVirginia
Coordinates38.82256, -77.63472
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length79 ft (24.1 m)
Longest span77 ft (23.5 m)
Deck width42 ft (12.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,683 (2022)
Projected traffic25,817 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$200 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE.15 Sbl. over Little Bull Run built?

It was built in 2009, making it 16 years old in 2025.

What condition is RTE.15 Sbl. over Little Bull Run 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 April 2023.

How much traffic does RTE.15 Sbl. over Little Bull Run carry?

About 17,683 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is RTE.15 Sbl. over Little Bull Run?

The structure is 79 ft (24.1 m) long with a longest span of 77 ft (23.5 m) and a deck 42 ft wide.

Who owns RTE.15 Sbl. over Little Bull Run?

It is owned by the State Highway Agency.