US Bridges

Twp. Rd. O over Ditch 185

Good

Henry County, Ohio · 0.25 Mi. East of Rd. 18 · Structure no. 3530957

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Twp. Rd. O over Ditch 185 is a steel culvert carrying Twp. Rd. O over Ditch 185 in Henry County, Ohio. It was built in 1988, so it is 37 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTwp. Rd. O
CrossesDitch 185
Location0.25 Mi. East of Rd. 18
RouteCounty Highway 0O
StateOhio
Coordinates41.36972, -84.20361
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
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

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 Twp. Rd. O over Ditch 185 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Twp. Rd. O over Ditch 185 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 October 2024.

How much traffic does Twp. Rd. O over Ditch 185 carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Twp. Rd. O over Ditch 185?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.2 m).

Who owns Twp. Rd. O over Ditch 185?

It is owned by the County Highway Agency.