Structure 5029945 · Mahoning County, OH

Sr170 over I76 Ohio Tpk

Carries Sr170 over I76 Ohio Tpk, 1.7mi East Of Exit 17.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT283 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

283 ft end to end, longest span 73 ft: about 4 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 1989
Length283.1 ft86.3 m
Daily traffic2,226counted 2015
Last inspectedMarch 2024every 12 months

Location

StateOhio
CountyMahoning
Location1.7mi East Of Exit 17
CarriesSr170
CrossesI76 Ohio Tpk
Coordinates40.91740, -80.53298

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length283.1 ft (86.3 m)
Max Span73.2 ft (22.3 m)
Deck Width33.1 ft (10.1 m)
Deck Area871.6 sq m
Main Spans3
Year Built1954 (reconstructed 1989)

Traffic

Avg Daily Traffic2,226 (2015)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge4

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 Number5029945

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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