Structure 704946 · Belmont County, OH

State Route 149 over Mcmahon Creek

Carries State Route 149 over Mcmahon Creek, 1.87 Mi S Of SR 9.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT119 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

119 ft end to end, longest span 44 ft. Lengths and the car 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 slab bridge.

Built199531 years old
Length118.8 ft36.2 m
Daily traffic795counted 2015
Last inspectedMay 2024every 12 months

Location

StateOhio
CountyBelmont
Location1.87 Mi S Of SR 9
CarriesState Route 149
CrossesMcmahon Creek
Coordinates40.01636, -80.90813

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length118.8 ft (36.2 m)
Max Span44.0 ft (13.4 m)
Deck Width29.9 ft (9.1 m)
Deck Area329.4 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic795 (2015)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0704946

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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