US Bridges

RTE.15/29 over Broad Run

Good

Prince William County, Virginia · 00.55FR215 00.36TO15 · Structure no. 000000000014174

Built
1953
72 years old, rebuilt 2008
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
3 main spans
Daily traffic
24,250
2022 count
Owner
State
State Highway Agency

About this bridge

RTE.15/29 over Broad Run is a steel stringer/multi-beam or girder carrying RTE.15/29 over Broad Run in Prince William County, Virginia. It was built in 1953 and reconstructed in 2008, so it is 72 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 24,250 vehicles a day, roughly 1% of them trucks, projected to reach 35,406 by 2042. The structure is 130 ft (39.6 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRTE.15/29
CrossesBroad Run
Location00.55FR215 00.36TO15
RouteU.S. Route 15
Coordinates38.78073, -77.67252
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.1 US tons
Inventory rating61.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span42 ft (12.8 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,250 (2022)
Projected traffic35,406 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$241 million
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE.15/29 over Broad Run built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2008.

What condition is RTE.15/29 over Broad 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 2024.

How much traffic does RTE.15/29 over Broad Run carry?

About 24,250 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is RTE.15/29 over Broad Run?

The structure is 130 ft (39.6 m) long with a longest span of 42 ft (12.8 m) and a deck 38 ft wide.

Who owns RTE.15/29 over Broad Run?

It is owned by the State Highway Agency.