US Bridges

US35 over Rocky Run

Good

Preble County, Ohio · At Eaton E Corp Line · Structure no. 6800246

Built
1956
69 years old, rebuilt 2020
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
7,170
2015 count
Owner
State
State Highway Agency

About this bridge

US35 over Rocky Run is a concrete continuous slab carrying US35 over Rocky Run in Preble County, Ohio. It was built in 1956 and reconstructed in 2020, so it is 69 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 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 7,170 vehicles a day, roughly 7% of them trucks, projected to reach 9,952 by 2035. The structure is 73 ft (22.3 m) long and 40 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS35
CrossesRocky Run
LocationAt Eaton E Corp Line
RouteU.S. Route 35
CountyPreble County
StateOhio
Coordinates39.74381, -84.61946
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating60.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span25 ft (7.6 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,170 (2015)
Projected traffic9,952 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US35 over Rocky Run built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2020.

What condition is US35 over Rocky Run 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 May 2024.

How much traffic does US35 over Rocky Run carry?

About 7,170 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is US35 over Rocky Run?

The structure is 73 ft (22.3 m) long with a longest span of 25 ft (7.6 m) and a deck 40 ft wide.

Who owns US35 over Rocky Run?

It is owned by the State Highway Agency.