US Bridges

Dumfries Road over Occoquan River - 1022

Good

Prince William County, Virginia · 00.15FR688/01.10TO643 · Structure no. 000000000026324

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
518 ft
4 main spans
Daily traffic
37,443
2022 count
Owner
State
State Highway Agency

About this bridge

Dumfries Road over Occoquan River - 1022 is a steel continuous stringer/multi-beam or girder carrying Dumfries Road over Occoquan River - 1022 in Prince William County, Virginia. It was built in 2001, so it is 24 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 37,443 vehicles a day, roughly 1% of them trucks, projected to reach 54,667 by 2045. The structure is 518 ft (157.9 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesDumfries Road
CrossesOccoquan River - 1022
Location00.15FR688/01.10TO643
RouteState Highway 234
Coordinates38.70475, -77.44564
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 inspectionAugust 2023
Inspection intervalevery 23 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 rating67.7 US tons
Inventory rating52.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length518 ft (157.9 m)
Longest span178 ft (54.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,443 (2022)
Projected traffic54,667 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$450 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Dumfries Road over Occoquan River - 1022 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Dumfries Road over Occoquan River - 1022 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 Dumfries Road over Occoquan River - 1022 carry?

About 37,443 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Dumfries Road over Occoquan River - 1022?

The structure is 518 ft (157.9 m) long with a longest span of 178 ft (54.3 m) and a deck 42 ft wide.

Who owns Dumfries Road over Occoquan River - 1022?

It is owned by the State Highway Agency.