US Bridges

I-77 Southbound over I-77 Ramp H

Fair

Mercer County, West Virginia · 1.81 MI N of Wv 112 · Structure no. 00000000028A163

Built
1967
58 years old, rebuilt 2008
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
1 main span
Daily traffic
10,450
2020 count
Owner
State
State Highway Agency

About this bridge

I-77 Southbound over I-77 Ramp H is a steel continuous stringer/multi-beam or girder carrying I-77 Southbound over I-77 Ramp H in Mercer County, West Virginia. It was built in 1967 and reconstructed in 2008, 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 10,450 vehicles a day, roughly 33% of them trucks, projected to reach 12,749 by 2040. The structure is 246 ft (75 m) long and 35 ft wide.

Location

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CarriesI-77 Southbound
CrossesI-77 Ramp H
Location1.81 MI N of Wv 112
RouteInterstate 7700
CountyMercer County
StateWest Virginia
Coordinates37.33909, -81.06091
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadUnknown
Structure length246 ft (75 m)
Longest span84 ft (25.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,450 (2020)
Projected traffic12,749 by 2040
Trucks33%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Southbound over I-77 Ramp H built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2008.

What condition is I-77 Southbound over I-77 Ramp H 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 June 2023.

How much traffic does I-77 Southbound over I-77 Ramp H carry?

About 10,450 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is I-77 Southbound over I-77 Ramp H?

The structure is 246 ft (75 m) long with a longest span of 84 ft (25.6 m) and a deck 35 ft wide.

Who owns I-77 Southbound over I-77 Ramp H?

It is owned by the State Highway Agency.