US Bridges

USR-36 over Ir 75

Good

Miami County, Ohio · Jct. IR-75 · Structure no. 5500184

Built
1958
67 years old, rebuilt 1982
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
228 ft
4 main spans
Daily traffic
8,052
2015 count
Owner
State
State Highway Agency

About this bridge

USR-36 over Ir 75 is a steel continuous stringer/multi-beam or girder carrying USR-36 over Ir 75 in Miami County, Ohio. It was built in 1958 and reconstructed in 1982, so it is 67 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 8,052 vehicles a day, roughly 6% of them trucks, projected to reach 11,176 by 2035. The structure is 228 ft (69.6 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUSR-36
CrossesIr 75
LocationJct. IR-75
RouteU.S. Route 36
StateOhio
Coordinates40.15123, -84.22059
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length228 ft (69.6 m)
Longest span73 ft (22.4 m)
Deck width55 ft (16.8 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,052 (2015)
Projected traffic11,176 by 2035
Trucks6%
Lanes on structure2
Traffic directionOne-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 USR-36 over Ir 75 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1982.

What condition is USR-36 over Ir 75 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 July 2024.

How much traffic does USR-36 over Ir 75 carry?

About 8,052 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is USR-36 over Ir 75?

The structure is 228 ft (69.6 m) long with a longest span of 73 ft (22.4 m) and a deck 55 ft wide.

Who owns USR-36 over Ir 75?

It is owned by the State Highway Agency.