US Bridges

Auburn Ave. over Ir 475

Good

Lucas County, Ohio · 0.36 Mi. W. of Ir 75 · Structure no. 4808584

Built
1970
55 years old, rebuilt 2010
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
437 ft
5 main spans
Daily traffic
3,975
2018 count
Owner
State
State Highway Agency

About this bridge

Auburn Ave. over Ir 475 is a steel continuous stringer/multi-beam or girder carrying Auburn Ave. over Ir 475 in Lucas County, Ohio. It was built in 1970 and reconstructed in 2010, 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 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 3,975 vehicles a day, roughly 2% of them trucks, projected to reach 4,000 by 2038. The structure is 437 ft (133.2 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesAuburn Ave.
CrossesIr 475
Location0.36 Mi. W. of Ir 75
RouteCity Street M0661
CountyLucas County
StateOhio
Coordinates41.67486, -83.57941
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length437 ft (133.2 m)
Longest span95 ft (29 m)
Deck width54 ft (16.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,975 (2018)
Projected traffic4,000 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Auburn Ave. over Ir 475 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.

What condition is Auburn Ave. over Ir 475 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 Auburn Ave. over Ir 475 carry?

About 3,975 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Auburn Ave. over Ir 475?

The structure is 437 ft (133.2 m) long with a longest span of 95 ft (29 m) and a deck 54 ft wide.

Who owns Auburn Ave. over Ir 475?

It is owned by the State Highway Agency.