US Bridges

I75N-WH Viaduct over I75*N&RAMP

Fair

Hamilton County, Ohio · .8 MI S of US 52 · Structure no. 3109518

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
7,260
1980 count
Owner
State
State Highway Agency

About this bridge

I75N-WH Viaduct over I75*N&RAMP is a steel continuous stringer/multi-beam or girder carrying I75N-WH Viaduct over I75*N&RAMP in Hamilton County, Ohio. It was built in 1961, so it is 64 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 6 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 7,260 vehicles a day, roughly 19% of them trucks, projected to reach 97,522 by 2000. The structure is 204 ft (62.2 m) long and 31 ft wide.

CarriesI75N-WH Viaduct
CrossesI75*N&RAMP
Location.8 MI S of US 52
RouteCounty Highway C0457
StateOhio
Coordinates39.12554, -84.53496
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length204 ft (62.2 m)
Longest span104 ft (31.7 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,260 (1980)
Projected traffic97,522 by 2000
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I75N-WH Viaduct over I75*N&RAMP built?

It was built in 1961, making it 64 years old in 2025.

What condition is I75N-WH Viaduct over I75*N&RAMP 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 November 2024.

How much traffic does I75N-WH Viaduct over I75*N&RAMP carry?

About 7,260 vehicles per day (1980 count), of which roughly 19% are trucks.

How long is I75N-WH Viaduct over I75*N&RAMP?

The structure is 204 ft (62.2 m) long with a longest span of 104 ft (31.7 m) and a deck 31 ft wide.

Who owns I75N-WH Viaduct over I75*N&RAMP?

It is owned by the State Highway Agency.