US Bridges

I-77 Sbl over I-77

Fair

Wood County, West Virginia · 4.26 M N Jack. Co. Rt 1 · Structure no. 00000000054A112

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
1 main span
Daily traffic
4,550
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Sbl over I-77 is a steel continuous stringer/multi-beam or girder carrying I-77 Sbl over I-77 in Wood County, West Virginia. It was built in 1967, so it is 58 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 4,550 vehicles a day, roughly 19% of them trucks, projected to reach 6,507 by 2042. The structure is 156 ft (47.5 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-77 Sbl
CrossesI-77
Location4.26 M N Jack. Co. Rt 1
RouteInterstate 77
CountyWood County
StateWest Virginia
Coordinates39.05264, -81.59707
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 rating77.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length156 ft (47.5 m)
Longest span57 ft (17.5 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,550 (2022)
Projected traffic6,507 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$762,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Sbl over I-77 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-77 Sbl over I-77 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 May 2023.

How much traffic does I-77 Sbl over I-77 carry?

About 4,550 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is I-77 Sbl over I-77?

The structure is 156 ft (47.5 m) long with a longest span of 57 ft (17.5 m) and a deck 41 ft wide.

Who owns I-77 Sbl over I-77?

It is owned by the State Highway Agency.