US Bridges

SR 129 over Cincinnati-Dayton Road

Good

Butler County, Ohio · 1.0 KM W. of I-75 · Structure no. 0903639

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
300 ft
3 main spans
Daily traffic
23,294
2015 count
Owner
State
State Highway Agency

About this bridge

SR 129 over Cincinnati-Dayton Road is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 129 over Cincinnati-Dayton Road in Butler County, Ohio. It was built in 1999, so it is 26 years old, younger 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 23,294 vehicles a day, roughly 6% of them trucks, projected to reach 32,332 by 2035. The structure is 300 ft (91.3 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 129
CrossesCincinnati-Dayton Road
Location1.0 KM W. of I-75
RouteState Highway 129
CountyButler County
StateOhio
Coordinates39.37422, -84.38219
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length300 ft (91.3 m)
Longest span129 ft (39.3 m)
Deck width70 ft (21.4 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,294 (2015)
Projected traffic32,332 by 2035
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR 129 over Cincinnati-Dayton Road built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR 129 over Cincinnati-Dayton Road 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 March 2024.

How much traffic does SR 129 over Cincinnati-Dayton Road carry?

About 23,294 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR 129 over Cincinnati-Dayton Road?

The structure is 300 ft (91.3 m) long with a longest span of 129 ft (39.3 m) and a deck 70 ft wide.

Who owns SR 129 over Cincinnati-Dayton Road?

It is owned by the State Highway Agency.