US Bridges

County Road 35 over Cottonwood Ditch

Fair

Hardin County, Ohio · .1 MI S of JCT of Twp 100 · Structure no. 3336336

Built
1933
92 years old, rebuilt 2004
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
2 main spans
Daily traffic
916
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 35 over Cottonwood Ditch is a steel stringer/multi-beam or girder carrying County Road 35 over Cottonwood Ditch in Hardin County, Ohio. It was built in 1933 and reconstructed in 2004, so it is 92 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 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 916 vehicles a day, roughly 7% of them trucks, projected to reach 1,271 by 2035. The structure is 83 ft (25.3 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesCounty Road 35
CrossesCottonwood Ditch
Location.1 MI S of JCT of Twp 100
RouteCounty Highway C0035
CountyHardin County
StateOhio
Coordinates40.68982, -83.84207
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20 + Mod
Structure length83 ft (25.3 m)
Longest span43 ft (13.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic916 (2015)
Projected traffic1,271 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 County Road 35 over Cottonwood Ditch built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2004.

What condition is County Road 35 over Cottonwood Ditch 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 September 2024.

How much traffic does County Road 35 over Cottonwood Ditch carry?

About 916 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County Road 35 over Cottonwood Ditch?

The structure is 83 ft (25.3 m) long with a longest span of 43 ft (13.1 m) and a deck 24 ft wide.

Who owns County Road 35 over Cottonwood Ditch?

It is owned by the County Highway Agency.