US Bridges

Mahoning Avenue over CR 18

Good

Mahoning County, Ohio · 2.07 MI S of Ir 80 · Structure no. 5000718

Built
1970
55 years old, rebuilt 2009
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
4 main spans
Daily traffic
20,117
2015 count
Owner
State
State Highway Agency

About this bridge

Mahoning Avenue over CR 18 is a steel continuous stringer/multi-beam or girder carrying Mahoning Avenue over CR 18 in Mahoning County, Ohio. It was built in 1970 and reconstructed in 2009, so it is 55 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,117 vehicles a day, roughly 10% of them trucks, projected to reach 50,738 by 2035. The structure is 282 ft (86 m) long and 85 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMahoning Avenue
CrossesCR 18
Location2.07 MI S of Ir 80
RouteCounty Highway C0018
StateOhio
Coordinates41.09958, -80.75209
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length282 ft (86 m)
Longest span83 ft (25.3 m)
Deck width85 ft (25.8 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,117 (2015)
Projected traffic50,738 by 2035
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Mahoning Avenue over CR 18 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2009.

What condition is Mahoning Avenue over CR 18 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 April 2024.

How much traffic does Mahoning Avenue over CR 18 carry?

About 20,117 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Mahoning Avenue over CR 18?

The structure is 282 ft (86 m) long with a longest span of 83 ft (25.3 m) and a deck 85 ft wide.

Who owns Mahoning Avenue over CR 18?

It is owned by the State Highway Agency.