US Bridges

I-66 Wbl over Marys Shady LN (private)

Fair

Warren County, Virginia · 1.20 340/522 - 5.02 to 79 · Structure no. 000000000018715

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
3 main spans
Daily traffic
16,056
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 Wbl over Marys Shady LN (private) is a prestressed concrete stringer/multi-beam or girder carrying I-66 Wbl over Marys Shady LN (private) in Warren County, Virginia. It was built in 1974, so it is 51 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 16,056 vehicles a day, roughly 1% of them trucks, projected to reach 23,442 by 2045. The structure is 114 ft (34.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-66 Wbl
CrossesMarys Shady LN (private)
Location1.20 340/522 - 5.02 to 79
RouteInterstate 66
Coordinates38.95139, -78.17405
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating84 US tons
Inventory rating64 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span38 ft (11.6 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,056 (2022)
Projected traffic23,442 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-66 Wbl over Marys Shady LN (private) built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-66 Wbl over Marys Shady LN (private) 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 August 2023.

How much traffic does I-66 Wbl over Marys Shady LN (private) carry?

About 16,056 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 Wbl over Marys Shady LN (private)?

The structure is 114 ft (34.7 m) long with a longest span of 38 ft (11.6 m) and a deck 44 ft wide.

Who owns I-66 Wbl over Marys Shady LN (private)?

It is owned by the State Highway Agency.