US Bridges

Interstate 79 SB over Marion County Rt. 76

Poor

Marion County, West Virginia · 1.60 MI North CO Rt 33 · Structure no. 00000000025A148

Built
1967
58 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
16,200
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 SB over Marion County Rt. 76 is a prestressed concrete stringer/multi-beam or girder carrying Interstate 79 SB over Marion County Rt. 76 in Marion County, West Virginia. It was built in 1967, so it is 58 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 16,200 vehicles a day, roughly 14% of them trucks, projected to reach 22,030 by 2041. The structure is 112 ft (34.1 m) long and 43 ft wide.

CarriesInterstate 79 SB
CrossesMarion County Rt. 76
Location1.60 MI North CO Rt 33
RouteInterstate 7900
Coordinates39.5047, -80.0708
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span38 ft (11.5 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,200 (2022)
Projected traffic22,030 by 2041
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6.4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 79 SB over Marion County Rt. 76 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 79 SB over Marion County Rt. 76 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 August 2023.

How much traffic does Interstate 79 SB over Marion County Rt. 76 carry?

About 16,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Interstate 79 SB over Marion County Rt. 76?

The structure is 112 ft (34.1 m) long with a longest span of 38 ft (11.5 m) and a deck 43 ft wide.

Who owns Interstate 79 SB over Marion County Rt. 76?

It is owned by the State Highway Agency.