Structure 4304144 · Lake County, OH

Chillicothe RD over I-90

Carries Chillicothe RD over I-90, .7 Mi. E Sr615.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT620 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

620 ft end to end, longest span 114 ft: about 1.7 football fields. 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.

Built196264 years old
Length620.1 ft189 m
Daily traffic7,114counted 2015
Last inspectedJune 2024every 12 months

Location

StateOhio
CountyLake
Location.7 Mi. E Sr615
CarriesChillicothe RD
CrossesI-90
Coordinates41.64781, -81.32809

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length620.1 ft (189 m)
Max Span113.8 ft (34.7 m)
Deck Width34.4 ft (10.5 m)
Deck Area1984.5 sq m
Main Spans6
Year Built1962

Traffic

Avg Daily Traffic7,114 (2015)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number4304144

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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