Structure 4829360 · Lucas County, OH

I80 Oh Tpk WB over Ns Rr

Carries I80 Oh Tpk WB over Ns Rr, 7.3mi West Of Exit 59.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT347 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

347 ft end to end, longest span 117 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.

Built1954rebuilt 1987
Length347.1 ft105.8 m
Daily traffic11,962counted 2015
Last inspectedMarch 2024every 12 months

Location

StateOhio
CountyLucas
Location7.3mi West Of Exit 59
CarriesI80 Oh Tpk WB
CrossesNs Rr
Coordinates41.60216, -83.80813

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length347.1 ft (105.8 m)
Max Span117.1 ft (35.7 m)
Deck Width40.4 ft (12.3 m)
Deck Area1301.3 sq m
Main Spans3
Year Built1954 (reconstructed 1987)

Traffic

Avg Daily Traffic11,962 (2015)
Truck Traffic44%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number4829360

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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