US Bridges

Twin Branches Road over The Glade

Fair

Fairfax County, Virginia · 00.05 4721 / 00.30 673 · Structure no. 000000000007044

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
7,923
2022 count
Owner
State
State Highway Agency

About this bridge

Twin Branches Road over The Glade is a steel culvert carrying Twin Branches Road over The Glade in Fairfax County, Virginia. It was built in 1989, so it is 36 years old, younger 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 7,923 vehicles a day, roughly 1% of them trucks, projected to reach 11,254 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTwin Branches Road
CrossesThe Glade
Location00.05 4721 / 00.30 673
RouteCounty Highway 5301
CountyFairfax County
StateVirginia
Coordinates38.93112, -77.32446
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,923 (2022)
Projected traffic11,254 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$30 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Twin Branches Road over The Glade built?

It was built in 1989, making it 36 years old in 2025.

What condition is Twin Branches Road over The Glade 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 2024.

How much traffic does Twin Branches Road over The Glade carry?

About 7,923 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Twin Branches Road over The Glade?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns Twin Branches Road over The Glade?

It is owned by the State Highway Agency.