US Bridges

South Avenue over Mahoning River

Good

Mahoning County, Ohio · Over the Mahoning River · Structure no. 5058511

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
629 ft
4 main spans
Daily traffic
8,500
1997 count
Owner
County
County Highway Agency

About this bridge

South Avenue over Mahoning River is a steel continuous stringer/multi-beam or girder carrying South Avenue over Mahoning River in Mahoning County, Ohio. It was built in 1993, so it is 32 years old, younger 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 8,500 vehicles a day, roughly 5% of them trucks, projected to reach 11,798 by 2017. The structure is 629 ft (191.7 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSouth Avenue
CrossesMahoning River
LocationOver the Mahoning River
RouteCity Street 151
StateOhio
Coordinates41.0942, -80.6463
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length629 ft (191.7 m)
Longest span220 ft (67.1 m)
Deck width64 ft (19.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (1997)
Projected traffic11,798 by 2017
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Avenue over Mahoning River built?

It was built in 1993, making it 32 years old in 2025.

What condition is South Avenue over Mahoning River 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 South Avenue over Mahoning River carry?

About 8,500 vehicles per day (1997 count), of which roughly 5% are trucks.

How long is South Avenue over Mahoning River?

The structure is 629 ft (191.7 m) long with a longest span of 220 ft (67.1 m) and a deck 64 ft wide.

Who owns South Avenue over Mahoning River?

It is owned by the County Highway Agency.