US Bridges

H.G. Shirley Mem H over Holmes Run

Fair

Fairfax County, Virginia · 00.63 236 / 01.87 7 · Structure no. 000000000019958

Built
1950
75 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
59 ft
2 main spans
Daily traffic
170,075
2022 count
Owner
State
State Highway Agency

About this bridge

H.G. Shirley Mem H over Holmes Run is a concrete arch - deck carrying H.G. Shirley Mem H over Holmes Run in Fairfax County, Virginia. It was built in 1950, so it is 75 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 2045. The structure is 59 ft (18.1 m) long and 173 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesH.G. Shirley Mem H
CrossesHolmes Run
Location00.63 236 / 01.87 7
RouteInterstate 395
CountyFairfax County
StateVirginia
Coordinates38.82082, -77.1282
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span59 ft (18.1 m)
Deck width173 ft (52.7 m)
Roadway width170 ft (51.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170,075 (2022)
Projected traffic189,634 by 2045
Trucks1%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was H.G. Shirley Mem H over Holmes Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is H.G. Shirley Mem H over Holmes Run 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 June 2023.

How much traffic does H.G. Shirley Mem H over Holmes Run carry?

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

How long is H.G. Shirley Mem H over Holmes Run?

The structure is 59 ft (18.1 m) long with a longest span of 59 ft (18.1 m) and a deck 173 ft wide.

Who owns H.G. Shirley Mem H over Holmes Run?

It is owned by the State Highway Agency.