US Bridges

Route I-95 Sbl over Quantico Creek & RTE 629

Good

Prince William County, Virginia · 01.26FR619/01.04TO234 · Structure no. 000000000014240

Built
1963
62 years old, rebuilt 2000
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
4 main spans
Daily traffic
73,966
2022 count
Owner
State
State Highway Agency

About this bridge

Route I-95 Sbl over Quantico Creek & RTE 629 is a steel continuous stringer/multi-beam or girder carrying Route I-95 Sbl over Quantico Creek & RTE 629 in Prince William County, Virginia. It was built in 1963 and reconstructed in 2000, so it is 62 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 73,966 vehicles a day, roughly 1% of them trucks, projected to reach 79,625 by 2045. The structure is 287 ft (87.5 m) long and 66 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRoute I-95 Sbl
CrossesQuantico Creek & RTE 629
Location01.26FR619/01.04TO234
RouteInterstate 95
Coordinates38.56797, -77.33585
Functional classUrban Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating44.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length287 ft (87.5 m)
Longest span77 ft (23.5 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,966 (2022)
Projected traffic79,625 by 2045
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed8.1 mi (13 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$255 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route I-95 Sbl over Quantico Creek & RTE 629 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.

What condition is Route I-95 Sbl over Quantico Creek & RTE 629 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 July 2023.

How much traffic does Route I-95 Sbl over Quantico Creek & RTE 629 carry?

About 73,966 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route I-95 Sbl over Quantico Creek & RTE 629?

The structure is 287 ft (87.5 m) long with a longest span of 77 ft (23.5 m) and a deck 66 ft wide.

Who owns Route I-95 Sbl over Quantico Creek & RTE 629?

It is owned by the State Highway Agency.