US Bridges

Union Road over Eberharts Run

Good

Warren County, Ohio · 0.22 MI S of SR122 · Structure no. 8331288

Built
1971
54 years old, rebuilt 2021
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
4,650
2015 count
Owner
County
County Highway Agency

About this bridge

Union Road over Eberharts Run is a concrete slab carrying Union Road over Eberharts Run in Warren County, Ohio. It was built in 1971 and reconstructed in 2021, 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.

It carries about 4,650 vehicles a day, roughly 5% of them trucks, projected to reach 6,454 by 2035. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUnion Road
CrossesEberharts Run
Location0.22 MI S of SR122
RouteCity Street M0033
CountyWarren County
StateOhio
Coordinates39.49047, -84.31787
Functional classUrban 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 protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2015)
Projected traffic6,454 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union Road over Eberharts Run built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2021.

What condition is Union Road over Eberharts 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 December 2024.

How much traffic does Union Road over Eberharts Run carry?

About 4,650 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Union Road over Eberharts Run?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Union Road over Eberharts Run?

It is owned by the County Highway Agency.