US Bridges

I-77 Sbl over CR 12

Fair

Jackson County, West Virginia · 6.38 M North of US 33 · Structure no. 00000000018A169

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
169 ft
2 main spans
Daily traffic
7,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Sbl over CR 12 is a steel continuous stringer/multi-beam or girder carrying I-77 Sbl over CR 12 in Jackson County, West Virginia. It was built in 1966, so it is 59 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 19% of them trucks, projected to reach 10,010 by 2042. The structure is 169 ft (51.6 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-77 Sbl
CrossesCR 12
Location6.38 M North of US 33
RouteInterstate 77
CountyJackson County
StateWest Virginia
Coordinates38.901, -81.72452
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length169 ft (51.6 m)
Longest span49 ft (14.9 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
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$766,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Sbl over CR 12 built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-77 Sbl over CR 12 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 Sbl over CR 12 carry?

About 7,000 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is I-77 Sbl over CR 12?

The structure is 169 ft (51.6 m) long with a longest span of 49 ft (14.9 m) and a deck 41 ft wide.

Who owns I-77 Sbl over CR 12?

It is owned by the State Highway Agency.