US Bridges

Heitkamp Road over Knapke Ditch

Good

Auglaize County, Ohio · 0.3 MI W of SR 364 · Structure no. 0632474

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
27 ft
1 main span
Daily traffic
150
2018 count
Owner
County
County Highway Agency

About this bridge

Heitkamp Road over Knapke Ditch is a concrete box beam or girders - multiple carrying Heitkamp Road over Knapke Ditch in Auglaize County, Ohio. It was built in 2018, so it is 7 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 188 by 2045. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHeitkamp Road
CrossesKnapke Ditch
Location0.3 MI W of SR 364
RouteCounty Highway C0046
CountyAuglaize County
StateOhio
Coordinates40.41486, -84.44004
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior 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 rating107.1 US tons
Inventory rating90.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span24 ft (7.4 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2018)
Projected traffic188 by 2045
Trucks3%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$90.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Heitkamp Road over Knapke Ditch built?

It was built in 2018, making it 7 years old in 2025.

What condition is Heitkamp Road over Knapke 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 August 2023.

How much traffic does Heitkamp Road over Knapke Ditch carry?

About 150 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Heitkamp Road over Knapke Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.4 m) and a deck 27 ft wide.

Who owns Heitkamp Road over Knapke Ditch?

It is owned by the County Highway Agency.