US Bridges

C10 over I70

Fair

Preble County, Ohio · 2.5 MI W of SR726 · Structure no. 6800874

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
299 ft
4 main spans
Daily traffic
1,395
2015 count
Owner
State
State Highway Agency

About this bridge

C10 over I70 is a steel continuous stringer/multi-beam or girder carrying C10 over I70 in Preble County, Ohio. It was built in 1964, so it is 61 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,395 vehicles a day, roughly 7% of them trucks, projected to reach 44,516 by 2035. The structure is 299 ft (91.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC10
CrossesI70
Location2.5 MI W of SR726
RouteCounty Highway C0010
StateOhio
Coordinates39.83236, -84.72324
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating35.7 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length299 ft (91.1 m)
Longest span87 ft (26.6 m)
Deck width31 ft (9.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,395 (2015)
Projected traffic44,516 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 C10 over I70 built?

It was built in 1964, making it 61 years old in 2025.

What condition is C10 over I70 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does C10 over I70 carry?

About 1,395 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is C10 over I70?

The structure is 299 ft (91.1 m) long with a longest span of 87 ft (26.6 m) and a deck 31 ft wide.

Who owns C10 over I70?

It is owned by the State Highway Agency.