US Bridges

Ir 275 SB over SR 450

Good

Clermont County, Ohio · Over SR 450 · Structure no. 1305611

Built
1970
55 years old, rebuilt 2003
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
4 main spans
Daily traffic
19,301
2015 count
Owner
State
State Highway Agency

About this bridge

Ir 275 SB over SR 450 is a steel continuous stringer/multi-beam or girder carrying Ir 275 SB over SR 450 in Clermont County, Ohio. It was built in 1970 and reconstructed in 2003, so it is 55 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,301 vehicles a day, roughly 5% of them trucks, projected to reach 26,790 by 2035. The structure is 242 ft (73.9 m) long and 114 ft wide.

CarriesIr 275 SB
CrossesSR 450
LocationOver SR 450
RouteInterstate 275
StateOhio
Coordinates39.15973, -84.26752
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length242 ft (73.9 m)
Longest span70 ft (21.3 m)
Deck width114 ft (34.7 m)
Roadway width111 ft (33.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,301 (2015)
Projected traffic26,790 by 2035
Trucks5%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ir 275 SB over SR 450 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2003.

What condition is Ir 275 SB over SR 450 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 275 SB over SR 450 carry?

About 19,301 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Ir 275 SB over SR 450?

The structure is 242 ft (73.9 m) long with a longest span of 70 ft (21.3 m) and a deck 114 ft wide.

Who owns Ir 275 SB over SR 450?

It is owned by the State Highway Agency.