US Bridges

H.G. Shirley Mem H over Sanger Ave

Fair

Fairfax County, Virginia · 00.93 236 WB / 01.57 7 EB · Structure no. 000000000019952

Built
1970
55 years old, rebuilt 2016
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
170,075
2022 count
Owner
State
State Highway Agency

About this bridge

H.G. Shirley Mem H over Sanger Ave is a steel stringer/multi-beam or girder carrying H.G. Shirley Mem H over Sanger Ave in Fairfax County, Virginia. It was built in 1970 and reconstructed in 2016, so it is 55 years old, older 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 170,075 vehicles a day, roughly 1% of them trucks, projected to reach 189,634 by 2042. The structure is 73 ft (22.4 m) long and 182 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesH.G. Shirley Mem H
CrossesSanger Ave
Location00.93 236 WB / 01.57 7 EB
RouteInterstate 395
CountyFairfax County
StateVirginia
Coordinates38.82389, -77.12417
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.4 m)
Longest span70 ft (21.3 m)
Deck width182 ft (55.5 m)
Roadway width170 ft (51.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170,075 (2022)
Projected traffic189,634 by 2042
Trucks1%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$200 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was H.G. Shirley Mem H over Sanger Ave built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2016.

What condition is H.G. Shirley Mem H over Sanger Ave 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 December 2023.

How much traffic does H.G. Shirley Mem H over Sanger Ave carry?

About 170,075 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is H.G. Shirley Mem H over Sanger Ave?

The structure is 73 ft (22.4 m) long with a longest span of 70 ft (21.3 m) and a deck 182 ft wide.

Who owns H.G. Shirley Mem H over Sanger Ave?

It is owned by the State Highway Agency.