US Bridges

Interstate 79 NB over Har. Co. 25/6

Poor

Harrison County, West Virginia · 2.19 MI South Wv Rt 270 · Structure no. 00000000017A237

Built
1965
60 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
119 ft
1 main span
Daily traffic
10,650
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 NB over Har. Co. 25/6 is a steel continuous stringer/multi-beam or girder carrying Interstate 79 NB over Har. Co. 25/6 in Harrison 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 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 10,650 vehicles a day, roughly 13% of them trucks, projected to reach 13,630 by 2041. The structure is 119 ft (36.4 m) long and 40 ft wide.

CarriesInterstate 79 NB
CrossesHar. Co. 25/6
Location2.19 MI South Wv Rt 270
RouteInterstate 7900
Coordinates39.13648, -80.37478
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length119 ft (36.4 m)
Longest span47 ft (14.4 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,650 (2022)
Projected traffic13,630 by 2041
Trucks13%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 79 NB over Har. Co. 25/6 built?

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

What condition is Interstate 79 NB over Har. Co. 25/6 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 March 2024.

How much traffic does Interstate 79 NB over Har. Co. 25/6 carry?

About 10,650 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Interstate 79 NB over Har. Co. 25/6?

The structure is 119 ft (36.4 m) long with a longest span of 47 ft (14.4 m) and a deck 40 ft wide.

Who owns Interstate 79 NB over Har. Co. 25/6?

It is owned by the State Highway Agency.