US Bridges

Ir 75 SB over Mill Creek

Good

Butler County, Ohio · .48 MI N Ham-But CO Li · Structure no. 0901504

Built
1960
65 years old, rebuilt 2004
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
267 ft
3 main spans
Daily traffic
59,060
2015 count
Owner
State
State Highway Agency

About this bridge

Ir 75 SB over Mill Creek is a steel continuous stringer/multi-beam or girder carrying Ir 75 SB over Mill Creek in Butler County, Ohio. It was built in 1960 and reconstructed in 2004, so it is 65 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 59,060 vehicles a day, roughly 14% of them trucks, projected to reach 81,975 by 2035. The structure is 267 ft (81.4 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIr 75 SB
CrossesMill Creek
Location.48 MI N Ham-But CO Li
RouteInterstate 75
StateOhio
Coordinates39.30722, -84.43694
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length267 ft (81.4 m)
Longest span85 ft (25.8 m)
Deck width76 ft (23.3 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,060 (2015)
Projected traffic81,975 by 2035
Trucks14%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Ir 75 SB over Mill Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2004.

What condition is Ir 75 SB over Mill Creek 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 February 2024.

How much traffic does Ir 75 SB over Mill Creek carry?

About 59,060 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is Ir 75 SB over Mill Creek?

The structure is 267 ft (81.4 m) long with a longest span of 85 ft (25.8 m) and a deck 76 ft wide.

Who owns Ir 75 SB over Mill Creek?

It is owned by the State Highway Agency.