US Bridges

I-77 NB & SB over Rt Fk Kanawha Twomile Ck

Good

Kanawha County, West Virginia · 0.25 MI N of CR 27 · Structure no. 00000000020A702

Built
1971
54 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel Continuous
Length
25 ft
2 main spans
Daily traffic
41,700
2021 count
Owner
State
State Highway Agency

About this bridge

I-77 NB & SB over Rt Fk Kanawha Twomile Ck is a steel continuous culvert carrying I-77 NB & SB over Rt Fk Kanawha Twomile Ck 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41,700 vehicles a day, roughly 17% of them trucks, projected to reach 65,052 by 2041. The structure is 25 ft (7.7 m) long.

CarriesI-77 NB & SB
CrossesRt Fk Kanawha Twomile Ck
Location0.25 MI N of CR 27
RouteInterstate 77
Coordinates38.41749, -81.63191
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialSteel Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,700 (2021)
Projected traffic65,052 by 2041
Trucks17%
Lanes on structure6
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 NB & SB over Rt Fk Kanawha Twomile Ck built?

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

What condition is I-77 NB & SB over Rt Fk Kanawha Twomile Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I-77 NB & SB over Rt Fk Kanawha Twomile Ck carry?

About 41,700 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is I-77 NB & SB over Rt Fk Kanawha Twomile Ck?

The structure is 25 ft (7.7 m) long with a longest span of 10 ft (3.1 m).

Who owns I-77 NB & SB over Rt Fk Kanawha Twomile Ck?

It is owned by the State Highway Agency.