Structure 201871 · Allen County, OH

Ir 75 SB over I & O Rr

Carries Ir 75 SB over I & O Rr, .25 Mi N Of SR 65.

Overall conditionGood

Set by its lowest-rated component: Deck at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT212 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 9/9

212 ft end to end, longest span 90 ft: about 3 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.

Built201511 years old
Length211.9 ft64.6 m
Daily traffic22,650counted 2015
Last inspectedNovember 2023every 24 months

Location

StateOhio
CountyAllen
Location.25 Mi N Of SR 65
CarriesIr 75 SB
CrossesI & O Rr
Coordinates40.69910, -84.08540

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length211.9 ft (64.6 m)
Max Span89.9 ft (27.4 m)
Deck Width56.1 ft (17.1 m)
Deck Area1104.7 sq m
Main Spans3
Year Built2015

Traffic

Avg Daily Traffic22,650 (2015)
Truck Traffic39%
Lanes On Bridge3

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0201871

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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