US Bridges

Interstate 79 NB over I-68 Eastbound On-Ramp

Poor

Monongalia County, West Virginia · 3.16 MI North CO Rt 77 · Structure no. 00000000031A167

Built
1970
55 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
1 main span
Daily traffic
18,950
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 NB over I-68 Eastbound On-Ramp is a steel continuous stringer/multi-beam or girder carrying Interstate 79 NB over I-68 Eastbound On-Ramp in Monongalia 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 18,950 vehicles a day, roughly 16% of them trucks, projected to reach 27,100 by 2041. The structure is 193 ft (58.9 m) long and 45 ft wide.

CarriesInterstate 79 NB
CrossesI-68 Eastbound On-Ramp
Location3.16 MI North CO Rt 77
RouteInterstate 7900
Coordinates39.57875, -79.97605
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length193 ft (58.9 m)
Longest span68 ft (20.6 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic18,950 (2022)
Projected traffic27,100 by 2041
Trucks16%
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$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 79 NB over I-68 Eastbound On-Ramp built?

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

What condition is Interstate 79 NB over I-68 Eastbound On-Ramp 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 November 2023.

How much traffic does Interstate 79 NB over I-68 Eastbound On-Ramp carry?

About 18,950 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Interstate 79 NB over I-68 Eastbound On-Ramp?

The structure is 193 ft (58.9 m) long with a longest span of 68 ft (20.6 m) and a deck 45 ft wide.

Who owns Interstate 79 NB over I-68 Eastbound On-Ramp?

It is owned by the State Highway Agency.