US Bridges

Kilbourne RD CR65 over IR-71

Good

Delaware County, Ohio · 1.34 MI N of SR521 · Structure no. 2102552

Built
1959
66 years old, rebuilt 2016
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
491 ft
4 main spans
Daily traffic
477
2015 count
Owner
State
State Highway Agency

About this bridge

Kilbourne RD CR65 over IR-71 is a steel continuous stringer/multi-beam or girder carrying Kilbourne RD CR65 over IR-71 in Delaware County, Ohio. It was built in 1959 and reconstructed in 2016, so it is 66 years old, older 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 477 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2035. The structure is 491 ft (149.7 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKilbourne RD CR65
CrossesIR-71
Location1.34 MI N of SR521
RouteCounty Highway 71
StateOhio
Coordinates40.33877, -82.87965
Functional classRural Principal Arterial - Interstate

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length491 ft (149.7 m)
Longest span149 ft (45.4 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2015)
Projected traffic662 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kilbourne RD CR65 over IR-71 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2016.

What condition is Kilbourne RD CR65 over IR-71 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 Kilbourne RD CR65 over IR-71 carry?

About 477 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Kilbourne RD CR65 over IR-71?

The structure is 491 ft (149.7 m) long with a longest span of 149 ft (45.4 m) and a deck 31 ft wide.

Who owns Kilbourne RD CR65 over IR-71?

It is owned by the State Highway Agency.