Structure 1814303 · Cuyahoga County, OH

Ir 480 over Keystone Parkway

Carries Ir 480 over Keystone Parkway, 1.25 Mi. E. Of Jct. I-71.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT147 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

147 ft end to end, longest span 55 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.

Built198046 years old
Length147.0 ft44.8 m
Daily traffic91,273counted 2015
Last inspectedAugust 2024every 12 months

Location

StateOhio
CountyCuyahoga
Location1.25 Mi. E. Of Jct. I-71
CarriesIr 480
CrossesKeystone Parkway
Coordinates41.42050, -81.79502

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length147.0 ft (44.8 m)
Max Span55.1 ft (16.8 m)
Deck Width144.4 ft (44 m)
Deck Area1971.2 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic91,273 (2015)
Truck Traffic5%
Lanes On Bridge8
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1814303

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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