US Bridges

I-77 Nbl over 12/5

Fair

Jackson County, West Virginia · 3.04 Mile North of US 33 · Structure no. 00000000018A164

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
1 main span
Daily traffic
7,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl over 12/5 is a steel continuous stringer/multi-beam or girder carrying I-77 Nbl over 12/5 in Jackson 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 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 7,000 vehicles a day, roughly 23% of them trucks, projected to reach 10,010 by 2042. The structure is 112 ft (34 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-77 Nbl
Crosses12/5
Location3.04 Mile North of US 33
RouteInterstate 77
CountyJackson County
StateWest Virginia
Coordinates38.85948, -81.73517
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length112 ft (34 m)
Longest span48 ft (14.6 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2022)
Projected traffic10,010 by 2042
Trucks23%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Nbl over 12/5 built?

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

What condition is I-77 Nbl over 12/5 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 I-77 Nbl over 12/5 carry?

About 7,000 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I-77 Nbl over 12/5?

The structure is 112 ft (34 m) long with a longest span of 48 ft (14.6 m) and a deck 41 ft wide.

Who owns I-77 Nbl over 12/5?

It is owned by the State Highway Agency.