US Bridges

TR 11 over Konzen Ditch

Good

Henry County, Ohio · 0.5 M. South of TR S1 · Structure no. 3532925

Built
1991
34 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
122
2015 count
Owner
County
County Highway Agency

About this bridge

TR 11 over Konzen Ditch is a prestressed concrete box beam or girders - multiple carrying TR 11 over Konzen Ditch in Henry County, Ohio. It was built in 1991, so it is 34 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 122 vehicles a day, roughly 7% of them trucks, projected to reach 169 by 2035. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 11
CrossesKonzen Ditch
Location0.5 M. South of TR S1
RouteCounty Highway 11
StateOhio
Coordinates41.435, -84.07667
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2015)
Projected traffic169 by 2035
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 TR 11 over Konzen Ditch built?

It was built in 1991, making it 34 years old in 2025.

What condition is TR 11 over Konzen 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 September 2024.

How much traffic does TR 11 over Konzen Ditch carry?

About 122 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is TR 11 over Konzen Ditch?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns TR 11 over Konzen Ditch?

It is owned by the County Highway Agency.