US Bridges

Rt 1SB & Main St. over Quantico Creek

Fair

Prince William County, Virginia · 1.10FR234 /0.30TO1107 · Structure no. 000000000014161

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
2 main spans
Daily traffic
14,518
2022 count
Owner
State
State Highway Agency

About this bridge

Rt 1SB & Main St. over Quantico Creek is a steel stringer/multi-beam or girder carrying Rt 1SB & Main St. over Quantico Creek 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 14,518 vehicles a day, roughly 1% of them trucks, projected to reach 21,196 by 2045. The structure is 137 ft (41.8 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRt 1SB & Main St.
CrossesQuantico Creek
Location1.10FR234 /0.30TO1107
RouteU.S. Route 1
CountyPrince William County
StateVirginia
Coordinates38.56564, -77.32921
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating80.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span71 ft (21.6 m)
Deck width70 ft (21.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,518 (2022)
Projected traffic21,196 by 2045
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt 1SB & Main St. over Quantico Creek built?

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

What condition is Rt 1SB & Main St. over Quantico Creek 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 September 2023.

How much traffic does Rt 1SB & Main St. over Quantico Creek carry?

About 14,518 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Rt 1SB & Main St. over Quantico Creek?

The structure is 137 ft (41.8 m) long with a longest span of 71 ft (21.6 m) and a deck 70 ft wide.

Who owns Rt 1SB & Main St. over Quantico Creek?

It is owned by the State Highway Agency.