US Bridges

I-77 Off Ramp C over Kanawha Twomile Creek

Fair

Kanawha County, West Virginia · 0.01 MI N of CR 27 · Structure no. 00000000020A711

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
650
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Off Ramp C over Kanawha Twomile Creek is a concrete continuous culvert carrying I-77 Off Ramp C over Kanawha Twomile Creek in Kanawha County, West Virginia. It was built in 1971, so it is 54 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 6 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 650 vehicles a day, roughly 17% of them trucks, projected to reach 1,014 by 2042. The structure is 27 ft (8.3 m) long.

CarriesI-77 Off Ramp C
CrossesKanawha Twomile Creek
Location0.01 MI N of CR 27
RouteInterstate 77
Coordinates38.41271, -81.6312
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2022)
Projected traffic1,014 by 2042
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$100,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Off Ramp C over Kanawha Twomile Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-77 Off Ramp C over Kanawha Twomile Creek 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 April 2023.

How much traffic does I-77 Off Ramp C over Kanawha Twomile Creek carry?

About 650 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I-77 Off Ramp C over Kanawha Twomile Creek?

The structure is 27 ft (8.3 m) long with a longest span of 13 ft (4 m).

Who owns I-77 Off Ramp C over Kanawha Twomile Creek?

It is owned by the State Highway Agency.