US Bridges

Gunpowder Road over Route 29 - Lee Highway

Good

Fairfax County, Virginia · 00.00FRS.B.SERV. Rd. · Structure no. 000000000024426

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
151 ft
2 main spans
Daily traffic
550
2001 count
Owner
State
State Highway Agency

About this bridge

Gunpowder Road over Route 29 - Lee Highway is a steel stringer/multi-beam or girder carrying Gunpowder Road over Route 29 - Lee Highway in Fairfax County, Virginia. It was built in 1995, so it is 30 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 550 vehicles a day, projected to reach 671 by 2042. The structure is 151 ft (46 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGunpowder Road
CrossesRoute 29 - Lee Highway
Location00.00FRS.B.SERV. Rd.
RouteCounty Highway 2953
CountyFairfax County
StateVirginia
Coordinates38.84464, -77.37641
Functional classUrban Local

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.7 US tons
Inventory rating44.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length151 ft (46 m)
Longest span75 ft (22.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2001)
Projected traffic671 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Gunpowder Road over Route 29 - Lee Highway built?

It was built in 1995, making it 30 years old in 2025.

What condition is Gunpowder Road over Route 29 - Lee Highway 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 November 2023.

How much traffic does Gunpowder Road over Route 29 - Lee Highway carry?

About 550 vehicles per day (2001 count).

How long is Gunpowder Road over Route 29 - Lee Highway?

The structure is 151 ft (46 m) long with a longest span of 75 ft (22.9 m) and a deck 39 ft wide.

Who owns Gunpowder Road over Route 29 - Lee Highway?

It is owned by the State Highway Agency.