US Bridges

I-77 NB & SB over Ramp J (signed Ramp A)

Fair

Kanawha County, West Virginia · 0.50 MI S of US 60 · Structure no. 00000000020A645

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
1 main span
Daily traffic
96,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 NB & SB over Ramp J (signed Ramp A) is a steel continuous stringer/multi-beam or girder carrying I-77 NB & SB over Ramp J (signed Ramp A) in Kanawha County, West Virginia. It was built in 1975, so it is 50 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 96,600 vehicles a day, roughly 17% of them trucks, projected to reach 150,696 by 2042. The structure is 176 ft (53.5 m) long and 91 ft wide.

CarriesI-77 NB & SB
CrossesRamp J (signed Ramp A)
Location0.50 MI S of US 60
RouteInterstate 77
Coordinates38.31744, -81.55688
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length176 ft (53.5 m)
Longest span70 ft (21.4 m)
Deck width91 ft (27.8 m)
Roadway width85 ft (25.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,600 (2022)
Projected traffic150,696 by 2042
Trucks17%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$350,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 NB & SB over Ramp J (signed Ramp A) built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-77 NB & SB over Ramp J (signed Ramp A) 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 May 2023.

How much traffic does I-77 NB & SB over Ramp J (signed Ramp A) carry?

About 96,600 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I-77 NB & SB over Ramp J (signed Ramp A)?

The structure is 176 ft (53.5 m) long with a longest span of 70 ft (21.4 m) and a deck 91 ft wide.

Who owns I-77 NB & SB over Ramp J (signed Ramp A)?

It is owned by the State Highway Agency.