US Bridges

I-77 Nbl over Wv 31

Fair

Wood County, West Virginia · 3.76 Mile North of Wv 2 · Structure no. 00000000054A137

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
1 main span
Daily traffic
7,650
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl over Wv 31 is a steel continuous stringer/multi-beam or girder carrying I-77 Nbl over Wv 31 in Wood County, West Virginia. It was built in 1965, so it is 60 years old, older than the West Virginia average of 44.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 7,650 vehicles a day, roughly 19% of them trucks, projected to reach 10,940 by 2042. The structure is 123 ft (37.5 m) long and 40 ft wide.

CarriesI-77 Nbl
CrossesWv 31
Location3.76 Mile North of Wv 2
RouteInterstate 77
Coordinates39.35928, -81.44189
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length123 ft (37.5 m)
Longest span54 ft (16.5 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,650 (2022)
Projected traffic10,940 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Nbl over Wv 31 built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-77 Nbl over Wv 31 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 September 2024.

How much traffic does I-77 Nbl over Wv 31 carry?

About 7,650 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is I-77 Nbl over Wv 31?

The structure is 123 ft (37.5 m) long with a longest span of 54 ft (16.5 m) and a deck 40 ft wide.

Who owns I-77 Nbl over Wv 31?

It is owned by the State Highway Agency.