US Bridges

ST Marys River RD over Warman Ditch

Good

Auglaize County, Ohio · 1.8 MI S of SR 197 · Structure no. 0634603

Built
1999
26 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
31 ft
1 main span
Daily traffic
126
2018 count
Owner
County
County Highway Agency

About this bridge

ST Marys River RD over Warman Ditch is a concrete box beam or girders - multiple carrying ST Marys River RD over Warman Ditch in Auglaize County, Ohio. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 126 vehicles a day, roughly 7% of them trucks, projected to reach 168 by 2045. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST Marys River RD
CrossesWarman Ditch
Location1.8 MI S of SR 197
RouteCounty Highway C041A
StateOhio
Coordinates40.61485, -84.39665
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.4 US tons

Structure

MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span29 ft (8.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2018)
Projected traffic168 by 2045
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 ST Marys River RD over Warman Ditch built?

It was built in 1999, making it 26 years old in 2025.

What condition is ST Marys River RD over Warman 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 April 2023.

How much traffic does ST Marys River RD over Warman Ditch carry?

About 126 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is ST Marys River RD over Warman Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.7 m) and a deck 24 ft wide.

Who owns ST Marys River RD over Warman Ditch?

It is owned by the County Highway Agency.