Structure 27A212 · Mason County, WV

US 35 NB over Upper 9 Mile Creek Cr40

Carries US 35 NB over Upper 9 Mile Creek Cr40, 0.57 Mi South Old RT 35.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT353 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

353 ft end to end, longest span 195 ft: about 5 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.

Built20197 years old
Length353.0 ft107.6 m
Daily traffic7,000counted 2020
Last inspectedOctober 2023every 24 months

Location

StateWest Virginia
CountyMason
Location0.57 Mi South Old RT 35
CarriesUS 35 NB
CrossesUpper 9 Mile Creek Cr40
Coordinates38.75940, -82.00974

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length353.0 ft (107.6 m)
Max Span194.9 ft (59.4 m)
Deck Width44.6 ft (13.6 m)
Deck Area1463.4 sq m
Main Spans2
Year Built2019

Traffic

Avg Daily Traffic7,000 (2020)
Truck Traffic26%
Lanes On Bridge2
Lanes Under Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000027A212

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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