US Bridges

Ir 75 SB over Ir 475 WB

Good

Lucas County, Ohio · Jct. Ir 475/IR 75 · Structure no. 4803418

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
319 ft
3 main spans
Daily traffic
30,500
2014 count
Owner
State
State Highway Agency

About this bridge

Ir 75 SB over Ir 475 WB is a steel continuous stringer/multi-beam or girder carrying Ir 75 SB over Ir 475 WB in Lucas County, Ohio. It was built in 2016, so it is 9 years old, younger 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 30,500 vehicles a day, roughly 21% of them trucks, projected to reach 31,770 by 2034. The structure is 319 ft (97.2 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIr 75 SB
CrossesIr 475 WB
LocationJct. Ir 475/IR 75
RouteInterstate 75
StateOhio
Coordinates41.67455, -83.57392
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length319 ft (97.2 m)
Longest span122 ft (37.1 m)
Deck width60 ft (18.4 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,500 (2014)
Projected traffic31,770 by 2034
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ir 75 SB over Ir 475 WB built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ir 75 SB over Ir 475 WB 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 October 2024.

How much traffic does Ir 75 SB over Ir 475 WB carry?

About 30,500 vehicles per day (2014 count), of which roughly 21% are trucks.

How long is Ir 75 SB over Ir 475 WB?

The structure is 319 ft (97.2 m) long with a longest span of 122 ft (37.1 m) and a deck 60 ft wide.

Who owns Ir 75 SB over Ir 475 WB?

It is owned by the State Highway Agency.