US Bridges

I 77 over CR 21/21

Fair

Wood County, West Virginia · 0.90 MI S of Wv 14 · Structure no. 00000000054A258

Built
2017
8 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
30 ft
1 main span
Daily traffic
12,800
2019 count
Owner
State
State Highway Agency

About this bridge

I 77 over CR 21/21 is a concrete continuous slab carrying I 77 over CR 21/21 in Wood County, West Virginia. It was built in 2017, so it is 8 years old, younger 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 12,800 vehicles a day, roughly 11% of them trucks, projected to reach 18,304 by 2039. The structure is 30 ft (9.1 m) long and 120 ft wide.

CarriesI 77
CrossesCR 21/21
Location0.90 MI S of Wv 14
RouteInterstate 77
Coordinates39.17744, -81.53515
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating75.9 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width120 ft (36.6 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2019)
Projected traffic18,304 by 2039
Trucks11%
Lanes on structure4
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 77 over CR 21/21 built?

It was built in 2017, making it 8 years old in 2025.

What condition is I 77 over CR 21/21 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 2023.

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

About 12,800 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is I 77 over CR 21/21?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 120 ft wide.

Who owns I 77 over CR 21/21?

It is owned by the State Highway Agency.