US Bridges

County Road 10 over Little Darby Creek

GoodPosted for load

Madison County, Ohio · 0.50 Mi. N. of U.S. 40 · Structure no. 4930207

Built
1971
54 years old, rebuilt 2024
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
732
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over Little Darby Creek is a steel continuous stringer/multi-beam or girder carrying County Road 10 over Little Darby Creek in Madison County, Ohio. It was built in 1971 and reconstructed in 2024, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 732 vehicles a day, roughly 8% of them trucks, projected to reach 1,016 by 2035. The structure is 170 ft (51.8 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road 10
CrossesLittle Darby Creek
Location0.50 Mi. N. of U.S. 40
RouteCounty Highway C0010
StateOhio
Coordinates39.95106, -83.26939
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 inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length170 ft (51.8 m)
Longest span64 ft (19.5 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic732 (2015)
Projected traffic1,016 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County Road 10 over Little Darby Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2024.

What condition is County Road 10 over Little Darby Creek 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 January 2025.

How much traffic does County Road 10 over Little Darby Creek carry?

About 732 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 10 over Little Darby Creek?

The structure is 170 ft (51.8 m) long with a longest span of 64 ft (19.5 m) and a deck 34 ft wide.

Who owns County Road 10 over Little Darby Creek?

It is owned by the County Highway Agency.