US Bridges

I-79 N & S over CO 14/1

Fair

Lewis County, West Virginia · 2.73 MI S CO 7 · Structure no. 00000000021A162

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
27,800
2018 count
Owner
State
State Highway Agency

About this bridge

I-79 N & S over CO 14/1 is a steel culvert carrying I-79 N & S over CO 14/1 in Lewis County, West Virginia. It was built in 1971, so it is 54 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 27,800 vehicles a day, roughly 21% of them trucks, projected to reach 39,750 by 2038. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-79 N & S
CrossesCO 14/1
Location2.73 MI S CO 7
RouteInterstate 7900
Coordinates39.06735, -80.40386
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
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating98 US tons
Inventory rating77.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,800 (2018)
Projected traffic39,750 by 2038
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$6 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-79 N & S over CO 14/1 built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-79 N & S over CO 14/1 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 October 2023.

How much traffic does I-79 N & S over CO 14/1 carry?

About 27,800 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is I-79 N & S over CO 14/1?

The structure is 21 ft (6.3 m) long with a longest span of 20 ft (6.2 m).

Who owns I-79 N & S over CO 14/1?

It is owned by the State Highway Agency.