US Bridges

Interstate 79 over Simpson Creek/Private DR

Good

Harrison County, West Virginia · 0.65 MI South Hrr CO 24 · Structure no. 00000000017A319

Built
2004
21 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
1 main span
Daily traffic
40,600
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 79 over Simpson Creek/Private DR is a steel continuous stringer/multi-beam or girder carrying Interstate 79 over Simpson Creek/Private DR in Harrison County, West Virginia. It was built in 2004, so it is 21 years old, younger than the West Virginia average of 44.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40,600 vehicles a day, roughly 13% of them trucks, projected to reach 51,970 by 2041. The structure is 231 ft (70.3 m) long and 138 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 79
CrossesSimpson Creek/Private DR
Location0.65 MI South Hrr CO 24
RouteInterstate 7900
Coordinates39.29856, -80.27917
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating53 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length231 ft (70.3 m)
Longest span87 ft (26.5 m)
Deck width138 ft (42.2 m)
Roadway width134 ft (40.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,600 (2022)
Projected traffic51,970 by 2041
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 79 over Simpson Creek/Private DR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Interstate 79 over Simpson Creek/Private DR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Interstate 79 over Simpson Creek/Private DR carry?

About 40,600 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Interstate 79 over Simpson Creek/Private DR?

The structure is 231 ft (70.3 m) long with a longest span of 87 ft (26.5 m) and a deck 138 ft wide.

Who owns Interstate 79 over Simpson Creek/Private DR?

It is owned by the State Highway Agency.