US Bridges

I.R. 680 over Over SR 170 Midlothian B

Good

Mahoning County, Ohio · JCT of Ir 680 and SR 625 · Structure no. 5007577

Built
1973
52 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
33,347
2018 count
Owner
State
State Highway Agency

About this bridge

I.R. 680 over Over SR 170 Midlothian B is a steel continuous stringer/multi-beam or girder carrying I.R. 680 over Over SR 170 Midlothian B in Mahoning County, Ohio. It was built in 1973, so it is 52 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 33,347 vehicles a day, roughly 8% of them trucks, projected to reach 46,286 by 2038. The structure is 185 ft (56.4 m) long and 136 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI.R. 680
CrossesOver SR 170 Midlothian B
LocationJCT of Ir 680 and SR 625
RouteInterstate 680
CountyMahoning County
StateOhio
Coordinates41.06101, -80.62817
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length185 ft (56.4 m)
Longest span82 ft (25 m)
Deck width136 ft (41.5 m)
Roadway width133 ft (40.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,347 (2018)
Projected traffic46,286 by 2038
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I.R. 680 over Over SR 170 Midlothian B built?

It was built in 1973, making it 52 years old in 2025.

What condition is I.R. 680 over Over SR 170 Midlothian B in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does I.R. 680 over Over SR 170 Midlothian B carry?

About 33,347 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is I.R. 680 over Over SR 170 Midlothian B?

The structure is 185 ft (56.4 m) long with a longest span of 82 ft (25 m) and a deck 136 ft wide.

Who owns I.R. 680 over Over SR 170 Midlothian B?

It is owned by the State Highway Agency.