US Bridges

SR 4 over Salmon Run

Good

Marion County, Ohio · 2.20 MI N. of SR423 · Structure no. 5100194

Built
1989
36 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
3,422
2015 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Salmon Run is a prestressed concrete box beam or girders - multiple carrying SR 4 over Salmon Run in Marion 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 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 3,422 vehicles a day, roughly 16% of them trucks, projected to reach 4,750 by 2035. The structure is 35 ft (10.7 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 4
CrossesSalmon Run
Location2.20 MI N. of SR423
RouteState Highway 4
CountyMarion County
StateOhio
Coordinates40.64999, -83.12033
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,422 (2015)
Projected traffic4,750 by 2035
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4 over Salmon Run built?

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

What condition is SR 4 over Salmon Run 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 January 2023.

How much traffic does SR 4 over Salmon Run carry?

About 3,422 vehicles per day (2015 count), of which roughly 16% are trucks.

How long is SR 4 over Salmon Run?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 40 ft wide.

Who owns SR 4 over Salmon Run?

It is owned by the State Highway Agency.