US Bridges

Mill RD over I275

Fair

Hamilton County, Ohio · .1 MI W of SR 126 · Structure no. 3111768

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
4 main spans
Daily traffic
14,148
2015 count
Owner
State
State Highway Agency

About this bridge

Mill RD over I275 is a steel continuous stringer/multi-beam or girder carrying Mill RD over I275 in Hamilton County, Ohio. It was built in 1968, so it is 57 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,148 vehicles a day, roughly 5% of them trucks, projected to reach 115,955 by 2035. The structure is 301 ft (91.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMill RD
CrossesI275
Location.1 MI W of SR 126
RouteCounty Highway C0229
StateOhio
Coordinates39.29459, -84.54324
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length301 ft (91.8 m)
Longest span87 ft (26.6 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,148 (2015)
Projected traffic115,955 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mill RD over I275 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mill RD over I275 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Mill RD over I275 carry?

About 14,148 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Mill RD over I275?

The structure is 301 ft (91.8 m) long with a longest span of 87 ft (26.6 m) and a deck 40 ft wide.

Who owns Mill RD over I275?

It is owned by the State Highway Agency.