US Bridges

I-77 Nbl over CR 21/24

Fair

Wood County, West Virginia · 4.88 MI S of Wv 14 · Structure no. 00000000054A121

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
3 main spans
Daily traffic
3,850
2019 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl over CR 21/24 is a steel stringer/multi-beam or girder carrying I-77 Nbl over CR 21/24 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 3,850 vehicles a day, roughly 19% of them trucks, projected to reach 5,506 by 2039. The structure is 153 ft (46.5 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-77 Nbl
CrossesCR 21/24
Location4.88 MI S of Wv 14
RouteInterstate 77
CountyWood County
StateWest Virginia
Coordinates39.12211, -81.54602
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 rating91.9 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.5 m)
Longest span52 ft (15.9 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2019)
Projected traffic5,506 by 2039
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 CR 21/24 built?

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

What condition is I-77 Nbl over CR 21/24 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 2023.

How much traffic does I-77 Nbl over CR 21/24 carry?

About 3,850 vehicles per day (2019 count), of which roughly 19% are trucks.

How long is I-77 Nbl over CR 21/24?

The structure is 153 ft (46.5 m) long with a longest span of 52 ft (15.9 m) and a deck 40 ft wide.

Who owns I-77 Nbl over CR 21/24?

It is owned by the State Highway Agency.