US Bridges

I-79 Nbl over Mckinney Run and CO 3

Poor

Lewis County, West Virginia · 1.27 MI N CO 7 · Structure no. 00000000021A132

Built
1970
55 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
445 ft
1 main span
Daily traffic
14,950
2018 count
Owner
State
State Highway Agency

About this bridge

I-79 Nbl over Mckinney Run and CO 3 is a steel continuous stringer/multi-beam or girder carrying I-79 Nbl over Mckinney Run and CO 3 in Lewis 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 14,950 vehicles a day, roughly 21% of them trucks, projected to reach 21,379 by 2038. The structure is 445 ft (135.6 m) long and 44 ft wide.

CarriesI-79 Nbl
CrossesMckinney Run and CO 3
Location1.27 MI N CO 7
RouteInterstate 7900
Coordinates39.12207, -80.38665
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20 + Mod
Structure length445 ft (135.6 m)
Longest span101 ft (30.8 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,950 (2018)
Projected traffic21,379 by 2038
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$7.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-79 Nbl over Mckinney Run and CO 3 built?

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

What condition is I-79 Nbl over Mckinney Run and CO 3 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does I-79 Nbl over Mckinney Run and CO 3 carry?

About 14,950 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is I-79 Nbl over Mckinney Run and CO 3?

The structure is 445 ft (135.6 m) long with a longest span of 101 ft (30.8 m) and a deck 44 ft wide.

Who owns I-79 Nbl over Mckinney Run and CO 3?

It is owned by the State Highway Agency.