US Bridges

I-77 Nbl&sbl over Branch of Tygart Creek

Fair

Wood County, West Virginia · 0.05 MI North of CR 21 · Structure no. 00000000054A152

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
7,700
2019 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl&sbl over Branch of Tygart Creek is a concrete continuous culvert carrying I-77 Nbl&sbl over Branch of 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 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 7,700 vehicles a day, roughly 19% of them trucks, projected to reach 11,011 by 2039. The structure is 37 ft (11.4 m) long.

Location

Open in Google Maps
CarriesI-77 Nbl&sbl
CrossesBranch of Tygart Creek
Location0.05 MI North of CR 21
RouteInterstate 77
CountyWood County
StateWest Virginia
Coordinates39.07627, -81.55265
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 inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2019)
Projected traffic11,011 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Nbl&sbl over Branch of Tygart Creek built?

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

What condition is I-77 Nbl&sbl over Branch of 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 February 2023.

How much traffic does I-77 Nbl&sbl over Branch of Tygart Creek carry?

About 7,700 vehicles per day (2019 count), of which roughly 19% are trucks.

How long is I-77 Nbl&sbl over Branch of Tygart Creek?

The structure is 37 ft (11.4 m) long with a longest span of 18 ft (5.5 m).

Who owns I-77 Nbl&sbl over Branch of Tygart Creek?

It is owned by the State Highway Agency.