US Bridges

Kilbourn Rd. over Eyler Dt

Good

Darke County, Ohio · .6 MI N. of St. Rt. 49 · Structure no. 1938703

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Kilbourn Rd. over Eyler Dt is a prestressed concrete box beam or girders - multiple carrying Kilbourn Rd. over Eyler Dt in Darke County, Ohio. It was built in 2002, so it is 23 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 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesKilbourn Rd.
CrossesEyler Dt
Location.6 MI N. of St. Rt. 49
RouteCounty Highway T0195
StateOhio
Coordinates40.03404, -84.5597
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum 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 rating101.7 US tons
Inventory rating61.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 closed6.2 mi (10 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 Kilbourn Rd. over Eyler Dt built?

It was built in 2002, making it 23 years old in 2025.

What condition is Kilbourn Rd. over Eyler Dt 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 July 2023.

How much traffic does Kilbourn Rd. over Eyler Dt carry?

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

How long is Kilbourn Rd. over Eyler Dt?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Kilbourn Rd. over Eyler Dt?

It is owned by the County Highway Agency.