Structure 4603559 · Logan County, OH

Sr-508 over Bokengehalas Creek

Carries Sr-508 over Bokengehalas Creek, .29mi..e. Of Jct. Sr-235.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very 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
CAR · 15 FT107 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

107 ft end to end, longest span 37 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.

Built199234 years old
Length107.0 ft32.6 m
Daily traffic1,442counted 2015
Last inspectedMarch 2024every 24 months

Location

StateOhio
CountyLogan
Location.29mi..e. Of Jct. Sr-235
CarriesSr-508
CrossesBokengehalas Creek
Coordinates40.30814, -83.91406

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length107.0 ft (32.6 m)
Max Span37.1 ft (11.3 m)
Deck Width35.4 ft (10.8 m)
Deck Area352.1 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic1,442 (2015)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number4603559

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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