Structure 430803 · Ashtabula County, OH

North Richmond RD over Ashtabula River

Carries North Richmond RD over Ashtabula River, .2 Mi. E. Of Ch33.

Overall conditionGood

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

How ratings work
Culvertsets 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 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

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.

Built197452 years old
Length30.5 ft9.3 m
Daily traffic248counted 2015
Last inspectedMay 2024every 24 months

Location

StateOhio
CountyAshtabula
Location.2 Mi. E. Of Ch33
CarriesNorth Richmond RD
CrossesAshtabula River
Coordinates41.71415, -80.61453

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length30.5 ft (9.3 m)
Max Span30.5 ft (9.3 m)
Deck Area73.5 sq m
Main Spans1
Year Built1974

Traffic

Avg Daily Traffic248 (2015)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0430803

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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