US Bridges

NB Ir 75 over Mill Cr;benson St;nsrr;s

Poor

Hamilton County, Ohio · 2.3 MI S of SR 126 · Structure no. 3110656

Built
1965
60 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,418 ft
23 main spans
Daily traffic
67,075
2015 count
Owner
State
State Highway Agency

About this bridge

NB Ir 75 over Mill Cr;benson St;nsrr;s is a steel continuous stringer/multi-beam or girder carrying NB Ir 75 over Mill Cr;benson St;nsrr;s in Hamilton County, Ohio. It was built in 1965, so it is 60 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 67,075 vehicles a day, roughly 16% of them trucks, projected to reach 93,100 by 2035. The structure is 2,418 ft (737 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNB Ir 75
CrossesMill Cr;benson St;nsrr;s
Location2.3 MI S of SR 126
RouteInterstate 75
StateOhio
Coordinates39.22168, -84.44815
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans23
Design loadOther
Structure length2,418 ft (737 m)
Longest span156 ft (47.5 m)
Deck width54 ft (16.6 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,075 (2015)
Projected traffic93,100 by 2035
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.1 mi (5 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 NB Ir 75 over Mill Cr;benson St;nsrr;s built?

It was built in 1965, making it 60 years old in 2025.

What condition is NB Ir 75 over Mill Cr;benson St;nsrr;s in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does NB Ir 75 over Mill Cr;benson St;nsrr;s carry?

About 67,075 vehicles per day (2015 count), of which roughly 16% are trucks.

How long is NB Ir 75 over Mill Cr;benson St;nsrr;s?

The structure is 2,418 ft (737 m) long with a longest span of 156 ft (47.5 m) and a deck 54 ft wide.

Who owns NB Ir 75 over Mill Cr;benson St;nsrr;s?

It is owned by the State Highway Agency.