US Bridges

Rte. I-66 W.B.L. over RTE 731

Fair

Fauquier County, Virginia · 4.00 FR 688 & 4.50 to 55 · Structure no. 000000000007187

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
122 ft
3 main spans
Daily traffic
25,917
2022 count
Owner
State
State Highway Agency

About this bridge

Rte. I-66 W.B.L. over RTE 731 is a concrete tee beam carrying Rte. I-66 W.B.L. over RTE 731 in Fauquier County, Virginia. It was built in 1960, so it is 65 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 25,917 vehicles a day, roughly 17% of them trucks, projected to reach 28,394 by 2042. The structure is 122 ft (37.2 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRte. I-66 W.B.L.
CrossesRTE 731
Location4.00 FR 688 & 4.50 to 55
RouteInterstate 66
CountyFauquier County
StateVirginia
Coordinates38.90142, -77.92607
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,917 (2022)
Projected traffic28,394 by 2042
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$600 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Rte. I-66 W.B.L. over RTE 731 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Rte. I-66 W.B.L. over RTE 731 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 July 2024.

How much traffic does Rte. I-66 W.B.L. over RTE 731 carry?

About 25,917 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Rte. I-66 W.B.L. over RTE 731?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns Rte. I-66 W.B.L. over RTE 731?

It is owned by the State Highway Agency.