US Bridges

I-79 NB and SB over Harr. Co. Rt. 20/17

Good

Harrison County, West Virginia · 1.17 MI South of Wv 20 F · Structure no. 00000000017A248

Built
1970
55 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
33,700
2020 count
Owner
State
State Highway Agency

About this bridge

I-79 NB and SB over Harr. Co. Rt. 20/17 is a concrete culvert carrying I-79 NB and SB over Harr. Co. Rt. 20/17 in Harrison County, West Virginia. It was built in 1970, so it is 55 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 33,700 vehicles a day, roughly 13% of them trucks, projected to reach 43,136 by 2041. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-79 NB and SB
CrossesHarr. Co. Rt. 20/17
Location1.17 MI South of Wv 20 F
RouteInterstate 7900
CountyHarrison County
StateWest Virginia
Coordinates39.21123, -80.30545
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
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,700 (2020)
Projected traffic43,136 by 2041
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$21.1 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-79 NB and SB over Harr. Co. Rt. 20/17 built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-79 NB and SB over Harr. Co. Rt. 20/17 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 March 2023.

How much traffic does I-79 NB and SB over Harr. Co. Rt. 20/17 carry?

About 33,700 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I-79 NB and SB over Harr. Co. Rt. 20/17?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns I-79 NB and SB over Harr. Co. Rt. 20/17?

It is owned by the State Highway Agency.