Structure 27A174 · Mason County, WV

US 35 SB over Cr38 & Lower Ninemile Ck

Carries US 35 SB over Cr38 & Lower Ninemile Ck, 1.84 Miles N. Of CR 40.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT309 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

309 ft end to end, longest span 154 ft: about 4 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.

Built201016 years old
Length308.7 ft94.1 m
Daily traffic7,000counted 2020
Last inspectedOctober 2024every 24 months

Location

StateWest Virginia
CountyMason
Location1.84 Miles N. Of CR 40
CarriesUS 35 SB
CrossesCr38 & Lower Ninemile Ck
Coordinates38.77065, -82.04832

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length308.7 ft (94.1 m)
Max Span153.9 ft (46.9 m)
Deck Width45.3 ft (13.8 m)
Deck Area1298.6 sq m
Main Spans2
Year Built2010

Traffic

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

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00000000027A174

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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