US Bridges

IR-75 over Auglaize River

Good

Auglaize County, Ohio · .34MI.N.OF Jct. SR-67 · Structure no. 0602256

Built
1958
67 years old, rebuilt 2024
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
3 main spans
Daily traffic
17,713
2015 count
Owner
State
State Highway Agency

About this bridge

IR-75 over Auglaize River is a steel continuous stringer/multi-beam or girder carrying IR-75 over Auglaize River in Auglaize County, Ohio. It was built in 1958 and reconstructed in 2024, 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 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 17,713 vehicles a day, roughly 28% of them trucks, projected to reach 24,586 by 2035. The structure is 171 ft (52.1 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIR-75
CrossesAuglaize River
Location.34MI.N.OF Jct. SR-67
RouteInterstate 75
StateOhio
Coordinates40.59019, -84.16274
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length171 ft (52.1 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,713 (2015)
Projected traffic24,586 by 2035
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IR-75 over Auglaize River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2024.

What condition is IR-75 over Auglaize River 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 November 2024.

How much traffic does IR-75 over Auglaize River carry?

About 17,713 vehicles per day (2015 count), of which roughly 28% are trucks.

How long is IR-75 over Auglaize River?

The structure is 171 ft (52.1 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns IR-75 over Auglaize River?

It is owned by the State Highway Agency.