US Bridges

SR 129 over I.R. 75

Good

Butler County, Ohio · At Junction of I-75. · Structure no. 0901814

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
301 ft
4 main spans
Daily traffic
6,039
2015 count
Owner
State
State Highway Agency

About this bridge

SR 129 over I.R. 75 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 129 over I.R. 75 in Butler County, Ohio. It was built in 1998, so it is 27 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 6,039 vehicles a day, roughly 11% of them trucks, projected to reach 8,382 by 2035. The structure is 301 ft (91.8 m) long and 116 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 129
CrossesI.R. 75
LocationAt Junction of I-75.
RouteState Highway 129
CountyButler County
StateOhio
Coordinates39.37349, -84.36585
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 inspectionAugust 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 alignment9: Superior to present desirable criteria
Operating rating71.4 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length301 ft (91.8 m)
Longest span107 ft (32.6 m)
Deck width116 ft (35.5 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,039 (2015)
Projected traffic8,382 by 2035
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 129 over I.R. 75 built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 129 over I.R. 75 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 August 2024.

How much traffic does SR 129 over I.R. 75 carry?

About 6,039 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is SR 129 over I.R. 75?

The structure is 301 ft (91.8 m) long with a longest span of 107 ft (32.6 m) and a deck 116 ft wide.

Who owns SR 129 over I.R. 75?

It is owned by the State Highway Agency.