US Bridges

I-77 Nbl & Sbl over Clay Lick Br Tupper Ck

Fair

Kanawha County, West Virginia · 1.82 MI N of Wv 622 · Structure no. 00000000020A671

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
28,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl & Sbl over Clay Lick Br Tupper Ck is a concrete continuous culvert carrying I-77 Nbl & Sbl over Clay Lick Br Tupper Ck in Kanawha County, West Virginia. It was built in 1968, so it is 57 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 28,600 vehicles a day, roughly 17% of them trucks, projected to reach 44,616 by 2042. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI-77 Nbl & Sbl
CrossesClay Lick Br Tupper Ck
Location1.82 MI N of Wv 622
RouteInterstate 77
CountyKanawha County
StateWest Virginia
Coordinates38.48651, -81.64546
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,600 (2022)
Projected traffic44,616 by 2042
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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$125,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Nbl & Sbl over Clay Lick Br Tupper Ck built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-77 Nbl & Sbl over Clay Lick Br Tupper Ck 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 August 2023.

How much traffic does I-77 Nbl & Sbl over Clay Lick Br Tupper Ck carry?

About 28,600 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I-77 Nbl & Sbl over Clay Lick Br Tupper Ck?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns I-77 Nbl & Sbl over Clay Lick Br Tupper Ck?

It is owned by the State Highway Agency.