US Bridges

Walnut Grove RD over Maddock Ditch

Good

Defiance County, Ohio · 0.16 MI N of Nagel RD · Structure no. 2036681

Built
2019
6 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
156
2015 count
Owner
County
County Highway Agency

About this bridge

Walnut Grove RD over Maddock Ditch is a steel culvert carrying Walnut Grove RD over Maddock Ditch in Defiance County, Ohio. It was built in 2019, so it is 6 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 156 vehicles a day, roughly 1% of them trucks, projected to reach 218 by 2035. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWalnut Grove RD
CrossesMaddock Ditch
Location0.16 MI N of Nagel RD
RouteCounty Highway C0193
CountyDefiance County
StateOhio
Coordinates41.41556, -84.24761
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating78.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2015)
Projected traffic218 by 2035
Trucks1%
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 Walnut Grove RD over Maddock Ditch built?

It was built in 2019, making it 6 years old in 2025.

What condition is Walnut Grove RD over Maddock 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 October 2024.

How much traffic does Walnut Grove RD over Maddock Ditch carry?

About 156 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Walnut Grove RD over Maddock Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 8 ft (2.4 m).

Who owns Walnut Grove RD over Maddock Ditch?

It is owned by the County Highway Agency.