US Bridges

I-77 Nbl & Sbl over Tygart Creek

Fair

Wood County, West Virginia · 05.43 Mi. S. of Wv. 14 · Structure no. 00000000054A154

Built
1968
57 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete Continuous
Length
67 ft
5 main spans
Daily traffic
15,400
2019 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl & Sbl over Tygart Creek is a concrete continuous culvert carrying I-77 Nbl & Sbl over Tygart Creek in Wood 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 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 15,400 vehicles a day, roughly 19% of them trucks, projected to reach 22,022 by 2039. The structure is 67 ft (20.4 m) long and 285 ft wide.

Location

Open in Google Maps
CarriesI-77 Nbl & Sbl
CrossesTygart Creek
Location05.43 Mi. S. of Wv. 14
RouteInterstate 77
CountyWood County
StateWest Virginia
Coordinates39.11396, -81.54591
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20 + Mod
Structure length67 ft (20.4 m)
Longest span12 ft (3.8 m)
Deck width285 ft (86.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2019)
Projected traffic22,022 by 2039
Trucks19%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Nbl & Sbl over Tygart Creek built?

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

What condition is I-77 Nbl & Sbl over Tygart 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 January 2023.

How much traffic does I-77 Nbl & Sbl over Tygart Creek carry?

About 15,400 vehicles per day (2019 count), of which roughly 19% are trucks.

How long is I-77 Nbl & Sbl over Tygart Creek?

The structure is 67 ft (20.4 m) long with a longest span of 12 ft (3.8 m) and a deck 285 ft wide.

Who owns I-77 Nbl & Sbl over Tygart Creek?

It is owned by the State Highway Agency.