US Bridges

Interstate 79 NB over Marion County Rt. 64/2

Fair

Marion County, West Virginia · 1.57 MI North CO Rt 64/1 · Structure no. 00000000025A137

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
135 ft
1 main span
Daily traffic
24,350
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 NB over Marion County Rt. 64/2 is a steel continuous stringer/multi-beam or girder carrying Interstate 79 NB over Marion County Rt. 64/2 in Marion County, West Virginia. It was built in 1965, so it is 60 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 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 24,350 vehicles a day, roughly 14% of them trucks, projected to reach 33,120 by 2038. The structure is 135 ft (41.2 m) long and 40 ft wide.

Location

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CarriesInterstate 79 NB
CrossesMarion County Rt. 64/2
Location1.57 MI North CO Rt 64/1
RouteInterstate 7900
CountyMarion County
StateWest Virginia
Coordinates39.4569, -80.14514
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length135 ft (41.2 m)
Longest span52 ft (15.7 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,350 (2019)
Projected traffic33,120 by 2038
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 replacement with only incidental widening
Estimated improvement cost$948,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 79 NB over Marion County Rt. 64/2 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Interstate 79 NB over Marion County Rt. 64/2 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 August 2023.

How much traffic does Interstate 79 NB over Marion County Rt. 64/2 carry?

About 24,350 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Interstate 79 NB over Marion County Rt. 64/2?

The structure is 135 ft (41.2 m) long with a longest span of 52 ft (15.7 m) and a deck 40 ft wide.

Who owns Interstate 79 NB over Marion County Rt. 64/2?

It is owned by the State Highway Agency.