US Bridges

Interstate 79 SB over US 19

Fair

Monongalia County, West Virginia · 2.34 MI South CO Rt 19/24 · Structure no. 00000000031A172

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
465 ft
1 main span
Daily traffic
15,600
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 SB over US 19 is a steel stringer/multi-beam or girder carrying Interstate 79 SB over US 19 in Monongalia County, West Virginia. It was built in 1971, so it is 54 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 5 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 15,600 vehicles a day, roughly 16% of them trucks, projected to reach 22,310 by 2041. The structure is 465 ft (141.8 m) long and 59 ft wide.

Location

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CarriesInterstate 79 SB
CrossesUS 19
Location2.34 MI South CO Rt 19/24
RouteInterstate 7900
CountyMonongalia County
StateWest Virginia
Coordinates39.62663, -79.98848
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20
Structure length465 ft (141.8 m)
Longest span155 ft (47.3 m)
Deck width59 ft (17.9 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2022)
Projected traffic22,310 by 2041
Trucks16%
Lanes on structure3
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$2.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 79 SB over US 19 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Interstate 79 SB over US 19 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 September 2023.

How much traffic does Interstate 79 SB over US 19 carry?

About 15,600 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Interstate 79 SB over US 19?

The structure is 465 ft (141.8 m) long with a longest span of 155 ft (47.3 m) and a deck 59 ft wide.

Who owns Interstate 79 SB over US 19?

It is owned by the State Highway Agency.