Structure 17A319 · Harrison County, WV

Interstate 79 over Simpson Creek/private DR

Carries Interstate 79 over Simpson Creek/private DR, 0.65 Mi South Hrr Co 24.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT231 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

231 ft end to end: about 3 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built200422 years old
Length230.6 ft70.3 m
Daily traffic40,600counted 2022
Last inspectedNovember 2023every 24 months

Location

StateWest Virginia
CountyHarrison
Location0.65 Mi South Hrr Co 24
CarriesInterstate 79
CrossesSimpson Creek/private DR
Coordinates39.29856, -80.27917

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length230.6 ft (70.3 m)
Max Span86.9 ft (26.5 m)
Deck Width138.5 ft (42.2 m)
Deck Area2966.7 sq m
Main Spans1
Year Built2004

Traffic

Avg Daily Traffic40,600 (2022)
Truck Traffic13%
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000017A319

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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