Structure 4304209 · Lake County, OH

Hart RD over I-90

Carries Hart RD over I-90, 1.2 Mi E Sr615.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT388 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

388 ft end to end, longest span 71 ft: about 5 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.

Built196264 years old
Length388.1 ft118.3 m
Daily traffic1,433counted 2015
Last inspectedJuly 2024every 12 months

Location

StateOhio
CountyLake
Location1.2 Mi E Sr615
CarriesHart RD
CrossesI-90
Coordinates41.64788, -81.32034

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length388.1 ft (118.3 m)
Max Span70.9 ft (21.6 m)
Deck Width30.8 ft (9.4 m)
Deck Area1112.0 sq m
Main Spans6
Year Built1962

Traffic

Avg Daily Traffic1,433 (2015)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number4304209

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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