US Bridges

Gallows Road over I-495

Good

Fairfax County, Virginia · 00.14FR2264/00.14TO0867 · Structure no. 000000000028668

Built
2010
15 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
2 main spans
Daily traffic
24,812
2022 count
Owner
State
State Highway Agency

About this bridge

Gallows Road over I-495 is a steel continuous stringer/multi-beam or girder carrying Gallows Road over I-495 in Fairfax County, Virginia. It was built in 2010, so it is 15 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 24,812 vehicles a day, roughly 1% of them trucks, projected to reach 30,079 by 2042. The structure is 326 ft (99.3 m) long and 106 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGallows Road
CrossesI-495
Location00.14FR2264/00.14TO0867
RouteCounty Highway 650
Coordinates38.85396, -77.22054
Functional classUrban Minor 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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.3 US tons
Inventory rating33.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length326 ft (99.3 m)
Longest span162 ft (49.3 m)
Deck width106 ft (32.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic24,812 (2022)
Projected traffic30,079 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gallows Road over I-495 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Gallows Road over I-495 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 May 2024.

How much traffic does Gallows Road over I-495 carry?

About 24,812 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Gallows Road over I-495?

The structure is 326 ft (99.3 m) long with a longest span of 162 ft (49.3 m) and a deck 106 ft wide.

Who owns Gallows Road over I-495?

It is owned by the State Highway Agency.