US Bridges

I-77 Ramp over Route 61

Fair

Kanawha County, West Virginia · At Rt I/C · Structure no. 00000000020A641

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
1 main span
Daily traffic
6,416
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 Ramp over Route 61 is a steel continuous stringer/multi-beam or girder carrying I-77 Ramp over Route 61 in Kanawha County, West Virginia. It was built in 1954, so it is 71 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 6,416 vehicles a day, roughly 17% of them trucks, projected to reach 11,228 by 2038. The structure is 183 ft (55.7 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-77 Ramp
CrossesRoute 61
LocationAt Rt I/C
RouteInterstate 7700
Coordinates38.30985, -81.56328
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 inspectionOctober 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 rating62.9 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length183 ft (55.7 m)
Longest span88 ft (26.8 m)
Deck width59 ft (18.1 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,416 (2023)
Projected traffic11,228 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Ramp over Route 61 built?

It was built in 1954, making it 71 years old in 2025.

What condition is I-77 Ramp over Route 61 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 Ramp over Route 61 carry?

About 6,416 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is I-77 Ramp over Route 61?

The structure is 183 ft (55.7 m) long with a longest span of 88 ft (26.8 m) and a deck 59 ft wide.

Who owns I-77 Ramp over Route 61?

It is owned by the State Toll Authority.