US Bridges

I-77 NB over Route 4/1

Fair

Raleigh County, West Virginia · 0.39 MI N of Corr L I/C · Structure no. 00000000041A217

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
1 main span
Daily traffic
21,035
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 NB over Route 4/1 is a steel continuous stringer/multi-beam or girder carrying I-77 NB over Route 4/1 in Raleigh County, West Virginia. It was built in 1983, so it is 42 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 21,035 vehicles a day, roughly 17% of them trucks, projected to reach 30,709 by 2040. The structure is 180 ft (54.8 m) long and 52 ft wide.

CarriesI-77 NB
CrossesRoute 4/1
Location0.39 MI N of Corr L I/C
RouteInterstate 7700
Coordinates37.83794, -81.22196
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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length180 ft (54.8 m)
Longest span71 ft (21.6 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,035 (2020)
Projected traffic30,709 by 2040
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 NB over Route 4/1 built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-77 NB over Route 4/1 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 October 2023.

How much traffic does I-77 NB over Route 4/1 carry?

About 21,035 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is I-77 NB over Route 4/1?

The structure is 180 ft (54.8 m) long with a longest span of 71 ft (21.6 m) and a deck 52 ft wide.

Who owns I-77 NB over Route 4/1?

It is owned by the State Toll Authority.