US Bridges

EB Diaah over W&od Trail

Fair

Fairfax County, Virginia · 7.2 Miles from Dulles Air · Structure no. 2100010P0000000

Built
1963
62 years old, rebuilt 1985
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
3 main spans
Daily traffic
13,000
2024 count
Owner
Federal
Metropolitan Washington Airports Service

About this bridge

EB Diaah over W&od Trail is a steel stringer/multi-beam or girder carrying EB Diaah over W&od Trail in Fairfax County, Virginia. It was built in 1963 and reconstructed in 1985, so it is 62 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 13,000 vehicles a day, roughly 12% of them trucks, projected to reach 14,300 by 2044. The structure is 166 ft (50.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB Diaah
CrossesW&od Trail
Location7.2 Miles from Dulles Air
Coordinates38.94447, -77.32581
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.7 m)
Longest span53 ft (16.2 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2024)
Projected traffic14,300 by 2044
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerMetropolitan Washington Airports Service
Maintained byMetropolitan Washington Airports Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$254,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was EB Diaah over W&od Trail built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1985.

What condition is EB Diaah over W&od Trail 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 February 2024.

How much traffic does EB Diaah over W&od Trail carry?

About 13,000 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is EB Diaah over W&od Trail?

The structure is 166 ft (50.7 m) long with a longest span of 53 ft (16.2 m) and a deck 44 ft wide.

Who owns EB Diaah over W&od Trail?

It is owned by the Metropolitan Washington Airports Service.