US Bridges

SR 231 over Over US-23

Poor

Marion County, Ohio · 0.30 MI E of SR423 · Structure no. 5103215

Built
1968
57 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
4 main spans
Daily traffic
1,476
2015 count
Owner
State
State Highway Agency

About this bridge

SR 231 over Over US-23 is a steel continuous stringer/multi-beam or girder carrying SR 231 over Over US-23 in Marion County, Ohio. It was built in 1968, so it is 57 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,476 vehicles a day, roughly 18% of them trucks, projected to reach 2,049 by 2035. The structure is 234 ft (71.4 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesSR 231
CrossesOver US-23
Location0.30 MI E of SR423
RouteState Highway 231
CountyMarion County
StateOhio
Coordinates40.69147, -83.15018
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length234 ft (71.4 m)
Longest span68 ft (20.6 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,476 (2015)
Projected traffic2,049 by 2035
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.8 mi (27 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 231 over Over US-23 built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 231 over Over US-23 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does SR 231 over Over US-23 carry?

About 1,476 vehicles per day (2015 count), of which roughly 18% are trucks.

How long is SR 231 over Over US-23?

The structure is 234 ft (71.4 m) long with a longest span of 68 ft (20.6 m) and a deck 36 ft wide.

Who owns SR 231 over Over US-23?

It is owned by the State Highway Agency.