Structure 3902285 · Huron County, OH

SR 99 over Over Csx Rr

Carries SR 99 over Over Csx Rr, .37 Miles North Of Sr103.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT138 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

138 ft end to end, longest span 50 ft. 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 slab bridge.

Built196165 years old
Length138.1 ft42.1 m
Daily traffic4,930counted 2015
Last inspectedMarch 2024every 12 months

Location

StateOhio
CountyHuron
Location.37 Miles North Of Sr103
CarriesSR 99
CrossesOver Csx Rr
Coordinates41.05837, -82.71636

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length138.1 ft (42.1 m)
Max Span49.9 ft (15.2 m)
Deck Width42.3 ft (12.9 m)
Deck Area543.1 sq m
Main Spans3
Year Built1961

Traffic

Avg Daily Traffic4,930 (2015)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number3902285

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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