US Bridges

I-77 SB over Raleigh County Route 18

Good

Raleigh County, West Virginia · 5.01 Mi. N. of Raleigh 41 · Structure no. 00000000041A203

Built
1979
46 years old, rebuilt 2022
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
1 main span
Daily traffic
35,679
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 SB over Raleigh County Route 18 is a steel continuous stringer/multi-beam or girder carrying I-77 SB over Raleigh County Route 18 in Raleigh County, West Virginia. It was built in 1979 and reconstructed in 2022, so it is 46 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,679 vehicles a day, roughly 17% of them trucks, projected to reach 71,358 by 2043. The structure is 120 ft (36.6 m) long and 51 ft wide.

Location

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CarriesI-77 SB
CrossesRaleigh County Route 18
Location5.01 Mi. N. of Raleigh 41
RouteInterstate 7700
CountyRaleigh County
StateWest Virginia
Coordinates37.6816, -81.12554
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span44 ft (13.4 m)
Deck width51 ft (15.4 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,679 (2023)
Projected traffic71,358 by 2043
Trucks17%
Lanes on structure3
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 SB over Raleigh County Route 18 built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2022.

What condition is I-77 SB over Raleigh County Route 18 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does I-77 SB over Raleigh County Route 18 carry?

About 35,679 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is I-77 SB over Raleigh County Route 18?

The structure is 120 ft (36.6 m) long with a longest span of 44 ft (13.4 m) and a deck 51 ft wide.

Who owns I-77 SB over Raleigh County Route 18?

It is owned by the State Toll Authority.