US Bridges

S.Main Warren Cty over Mahoning River

Fair

Trumbull County, Ohio · Betw. Fulton & Spring St. · Structure no. 7839804

Built
1918
107 years old, rebuilt 1977
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
395 ft
4 main spans
Daily traffic
5,614
2015 count
Owner
County
County Highway Agency

About this bridge

S.Main Warren Cty over Mahoning River is a concrete arch - deck carrying S.Main Warren Cty over Mahoning River in Trumbull County, Ohio. It was built in 1918 and reconstructed in 1977, so it is 107 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 5 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 5,614 vehicles a day, roughly 5% of them trucks, projected to reach 7,792 by 2035. The structure is 395 ft (120.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesS.Main Warren Cty
CrossesMahoning River
LocationBetw. Fulton & Spring St.
RouteCity Street SMAIN
CountyTrumbull County
StateOhio
Coordinates41.22861, -80.81972
Functional classUrban 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length395 ft (120.4 m)
Longest span73 ft (22.3 m)
Deck width62 ft (18.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,614 (2015)
Projected traffic7,792 by 2035
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 S.Main Warren Cty over Mahoning River built?

It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1977.

What condition is S.Main Warren Cty over Mahoning River 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 August 2024.

How much traffic does S.Main Warren Cty over Mahoning River carry?

About 5,614 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is S.Main Warren Cty over Mahoning River?

The structure is 395 ft (120.4 m) long with a longest span of 73 ft (22.3 m) and a deck 62 ft wide.

Who owns S.Main Warren Cty over Mahoning River?

It is owned by the County Highway Agency.