US Bridges

SR 235 over Cottonwood Ditch

Good

Hardin County, Ohio · .5 MI S of Alger · Structure no. 3301575

Built
1998
27 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,476
2018 count
Owner
State
State Highway Agency

About this bridge

SR 235 over Cottonwood Ditch is a prestressed concrete box beam or girders - multiple carrying SR 235 over Cottonwood Ditch in Hardin County, Ohio. It was built in 1998, so it is 27 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 1,476 vehicles a day, roughly 10% of them trucks, projected to reach 2,049 by 2038. The structure is 60 ft (18.2 m) long and 40 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSR 235
CrossesCottonwood Ditch
Location.5 MI S of Alger
RouteState Highway 235
StateOhio
Coordinates40.70154, -83.84892
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span60 ft (18.2 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,476 (2018)
Projected traffic2,049 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 235 over Cottonwood Ditch built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 235 over Cottonwood Ditch 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 June 2023.

How much traffic does SR 235 over Cottonwood Ditch carry?

About 1,476 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SR 235 over Cottonwood Ditch?

The structure is 60 ft (18.2 m) long with a longest span of 60 ft (18.2 m) and a deck 40 ft wide.

Who owns SR 235 over Cottonwood Ditch?

It is owned by the State Highway Agency.