US Bridges

I-77 N Ramp over Route 72

Fair

Kanawha County, West Virginia · At Rt 72 Cheylan I/C · Structure no. 00000000020A616

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
29,547
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-77 N Ramp over Route 72 is a steel stringer/multi-beam or girder carrying I-77 N Ramp over Route 72 in Kanawha 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 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 29,547 vehicles a day, roughly 17% of them trucks, projected to reach 51,707 by 2038. The structure is 99 ft (30.1 m) long and 31 ft wide.

CarriesI-77 N Ramp
CrossesRoute 72
LocationAt Rt 72 Cheylan I/C
RouteInterstate 7700
Coordinates38.19329, -81.49954
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 rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length99 ft (30.1 m)
Longest span36 ft (11.1 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,547 (2023)
Projected traffic51,707 by 2038
Trucks17%
Lanes on structure1
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 N Ramp over Route 72 built?

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

What condition is I-77 N Ramp over Route 72 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 N Ramp over Route 72 carry?

About 29,547 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is I-77 N Ramp over Route 72?

The structure is 99 ft (30.1 m) long with a longest span of 36 ft (11.1 m) and a deck 31 ft wide.

Who owns I-77 N Ramp over Route 72?

It is owned by the State Toll Authority.