US Bridges

I-77 S On&off Ramp over Tygart Creek

Good

Wood County, West Virginia · 0.01 Mile North of CR21 · Structure no. 00000000054A153

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

About this bridge

I-77 S On&off Ramp over Tygart Creek is a concrete continuous culvert carrying I-77 S On&off Ramp 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 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 7,700 vehicles a day, roughly 19% of them trucks, projected to reach 11,011 by 2039. The structure is 38 ft (11.6 m) long.

Location

Open in Google Maps
CarriesI-77 S On&off Ramp
CrossesTygart Creek
Location0.01 Mile North of CR21
RouteInterstate 77
CountyWood County
StateWest Virginia
Coordinates39.09365, -81.5448
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98 US tons
Inventory rating96 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length38 ft (11.6 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 traffic7,700 (2019)
Projected traffic11,011 by 2039
Trucks19%
Lanes on structure2
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$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 S On&off Ramp over Tygart Creek built?

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

What condition is I-77 S On&off Ramp over Tygart Creek 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 February 2023.

How much traffic does I-77 S On&off Ramp over Tygart Creek carry?

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

How long is I-77 S On&off Ramp over Tygart Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns I-77 S On&off Ramp over Tygart Creek?

It is owned by the State Highway Agency.