US Bridges

Mahoning Ave. over Milton Reservoir

Fair

Mahoning County, Ohio · 0.2MI.W of S.E. River Rd. · Structure no. 5050103

Built
1915
110 years old, rebuilt 1991
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
832 ft
5 main spans
Daily traffic
3,370
2015 count
Owner
County
County Highway Agency

About this bridge

Mahoning Ave. over Milton Reservoir is a steel continuous stringer/multi-beam or girder carrying Mahoning Ave. over Milton Reservoir in Mahoning County, Ohio. It was built in 1915 and reconstructed in 1991, so it is 110 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,370 vehicles a day, roughly 10% of them trucks, projected to reach 4,678 by 2035. The structure is 832 ft (253.6 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMahoning Ave.
CrossesMilton Reservoir
Location0.2MI.W of S.E. River Rd.
RouteCounty Highway C0018
CountyMahoning County
StateOhio
Coordinates41.09449, -80.97943
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckClosed grating
Main spans5 (+1 approach)
Design loadHS 20 + Mod
Structure length832 ft (253.6 m)
Longest span160 ft (48.8 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic3,370 (2015)
Projected traffic4,678 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mahoning Ave. over Milton Reservoir built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1991.

What condition is Mahoning Ave. over Milton Reservoir in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Mahoning Ave. over Milton Reservoir carry?

About 3,370 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Mahoning Ave. over Milton Reservoir?

The structure is 832 ft (253.6 m) long with a longest span of 160 ft (48.8 m) and a deck 39 ft wide.

Who owns Mahoning Ave. over Milton Reservoir?

It is owned by the County Highway Agency.