Structure 2100452 · Delaware County, OH

US 23 over Over Sr37 (central Ave)

Carries US 23 over Over Sr37 (central Ave), 0.23 Mi N Of Us36.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT170 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

170 ft end to end, longest span 69 ft: about 2 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.

Built196660 years old
Length170.3 ft51.9 m
Daily traffic20,068counted 2015
Last inspectedFebruary 2024every 12 months

Location

StateOhio
CountyDelaware
Location0.23 Mi N Of Us36
CarriesUS 23
CrossesOver Sr37 (central Ave)
Coordinates40.30112, -83.06444

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length170.3 ft (51.9 m)
Max Span68.9 ft (21 m)
Deck Width95.1 ft (29 m)
Deck Area1505.1 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic20,068 (2015)
Truck Traffic11%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number2100452

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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