Structure 3932133 · Huron County, OH

South Norwalk 148 over South Norwalk/co Di 104

Carries South Norwalk 148 over South Norwalk/co Di 104, 0.7 M West Of ST RT 250.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 31 ft across. 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, so those are drawn as typical for a culvert.

Built1962rebuilt 1989
Length30.8 ft9.4 m
Daily traffic656counted 2015
Last inspectedApril 2024every 12 months

Location

StateOhio
CountyHuron
Location0.7 M West Of ST RT 250
CarriesSouth Norwalk 148
CrossesSouth Norwalk/co Di 104
Coordinates41.21978, -82.61123

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length30.8 ft (9.4 m)
Max Span27.9 ft (8.5 m)
Deck Area85.5 sq m
Main Spans1
Year Built1962 (reconstructed 1989)

Traffic

Avg Daily Traffic656 (2015)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number3932133

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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