US Bridges

Bren Mar Drive over Indian Run

Fair

Fairfax County, Virginia · 025FR648/0.23TO2606 · Structure no. 000000000006932

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
55 ft
2 main spans
Daily traffic
661
2022 count
Owner
State
State Highway Agency

About this bridge

Bren Mar Drive over Indian Run is a concrete slab carrying Bren Mar Drive over Indian Run in Fairfax County, Virginia. It was built in 1961, so it is 64 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 661 vehicles a day, roughly 8% of them trucks, projected to reach 905 by 2045. The structure is 55 ft (16.8 m) long and 38 ft wide.

CarriesBren Mar Drive
CrossesIndian Run
Location025FR648/0.23TO2606
RouteCounty Highway 1292
Coordinates38.7997, -77.14913
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span28 ft (8.5 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic661 (2022)
Projected traffic905 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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$450 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Bren Mar Drive over Indian Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is Bren Mar Drive over Indian 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 January 2025.

How much traffic does Bren Mar Drive over Indian Run carry?

About 661 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Bren Mar Drive over Indian Run?

The structure is 55 ft (16.8 m) long with a longest span of 28 ft (8.5 m) and a deck 38 ft wide.

Who owns Bren Mar Drive over Indian Run?

It is owned by the State Highway Agency.