US Bridges

Interstate 79 SB over Elk Creek

Fair

Harrison County, West Virginia · 0.43 MI South Wv Rt 20 · Structure no. 00000000017A250

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
294 ft
1 main span
Daily traffic
11,700
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 SB over Elk Creek is a steel continuous stringer/multi-beam or girder carrying Interstate 79 SB over Elk Creek in Harrison 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 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 11,700 vehicles a day, roughly 13% of them trucks, projected to reach 14,975 by 2041. The structure is 294 ft (89.5 m) long and 45 ft wide.

CarriesInterstate 79 SB
CrossesElk Creek
Location0.43 MI South Wv Rt 20
RouteInterstate 7900
Coordinates39.22144, -80.30177
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length294 ft (89.5 m)
Longest span111 ft (33.8 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,700 (2022)
Projected traffic14,975 by 2041
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 79 SB over Elk Creek built?

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

What condition is Interstate 79 SB over Elk Creek 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 January 2024.

How much traffic does Interstate 79 SB over Elk Creek carry?

About 11,700 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Interstate 79 SB over Elk Creek?

The structure is 294 ft (89.5 m) long with a longest span of 111 ft (33.8 m) and a deck 45 ft wide.

Who owns Interstate 79 SB over Elk Creek?

It is owned by the State Highway Agency.