US Bridges

Mary Street over Branch of Holmes Run

FairPosted for load

Fairfax County, Virginia · 00.00FR.3470/00.03TO5040 · Structure no. 000000000006981

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
409
2016 count
Owner
State
State Highway Agency

About this bridge

Mary Street over Branch of Holmes Run is a steel culvert carrying Mary Street over Branch of Holmes Run in Fairfax County, Virginia. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 409 vehicles a day, projected to reach 468 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMary Street
CrossesBranch of Holmes Run
Location00.00FR.3470/00.03TO5040
RouteCounty Highway 3469
CountyFairfax County
StateVirginia
Coordinates38.87792, -77.21087
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic409 (2016)
Projected traffic468 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$250 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mary Street over Branch of Holmes Run built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mary Street over Branch of 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 2024.

How much traffic does Mary Street over Branch of Holmes Run carry?

About 409 vehicles per day (2016 count).

How long is Mary Street over Branch of Holmes Run?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns Mary Street over Branch of Holmes Run?

It is owned by the State Highway Agency.