Structure 5530792 · Miami County, OH

Peterson over East Branch Lost Creek

Carries Peterson over East Branch Lost Creek, 0.65 E Of Cr21.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT64 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 4/9 · sets the rating

64 ft end to end, longest span 30 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 girder bridge.

Built196066 years old
Length64.0 ft19.5 m
Daily traffic383counted 2018
Last inspectedMarch 2024every 12 months

Location

StateOhio
CountyMiami
Location0.65 E Of Cr21
CarriesPeterson
CrossesEast Branch Lost Creek
Coordinates40.10167, -84.12167

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length64.0 ft (19.5 m)
Max Span29.9 ft (9.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area142.3 sq m
Main Spans2
Year Built1960

Traffic

Avg Daily Traffic383 (2018)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number5530792

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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