US Bridges

I-77 Northbound over Tygart Creek

Fair

Wood County, West Virginia · 0.58 Mile South of Wv 14 · Structure no. 00000000054A177

Built
1997
28 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
1 main span
Daily traffic
6,400
2019 count
Owner
State
State Highway Agency

About this bridge

I-77 Northbound over Tygart Creek is a steel continuous stringer/multi-beam or girder carrying I-77 Northbound over Tygart Creek in Wood County, West Virginia. It was built in 1997, so it is 28 years old, younger 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 6,400 vehicles a day, roughly 20% of them trucks, projected to reach 9,152 by 2039. The structure is 234 ft (71.3 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesI-77 Northbound
CrossesTygart Creek
Location0.58 Mile South of Wv 14
RouteInterstate 77
CountyWood County
StateWest Virginia
Coordinates39.18152, -81.53308
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length234 ft (71.3 m)
Longest span90 ft (27.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2019)
Projected traffic9,152 by 2039
Trucks20%
Lanes on structure2
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$410,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Northbound over Tygart Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is I-77 Northbound 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 September 2023.

How much traffic does I-77 Northbound over Tygart Creek carry?

About 6,400 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is I-77 Northbound over Tygart Creek?

The structure is 234 ft (71.3 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.

Who owns I-77 Northbound over Tygart Creek?

It is owned by the State Highway Agency.