US Bridges

SR 558 over Mill Run

Fair

Columbiana County, Ohio · 1.51 MI E of SR 45 · Structure no. 1505580

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
694
2015 count
Owner
State
State Highway Agency

About this bridge

SR 558 over Mill Run is a concrete continuous slab carrying SR 558 over Mill Run in Columbiana County, Ohio. It was built in 1989, so it is 36 years old, younger 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 694 vehicles a day, roughly 5% of them trucks, projected to reach 963 by 2035. The structure is 62 ft (18.9 m) long and 34 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesSR 558
CrossesMill Run
Location1.51 MI E of SR 45
RouteState Highway 558
CountyColumbiana County
StateOhio
Coordinates40.85764, -80.79687
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.1 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span23 ft (7 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic694 (2015)
Projected traffic963 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 558 over Mill Run built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 558 over Mill Run 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 May 2024.

How much traffic does SR 558 over Mill Run carry?

About 694 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is SR 558 over Mill Run?

The structure is 62 ft (18.9 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.

Who owns SR 558 over Mill Run?

It is owned by the State Highway Agency.