US Bridges

IR-75 over Auglaize River

FairPosted for load

Auglaize County, Ohio · .34MI.N.OF JCT SR-67 · Structure no. 0602280

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 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, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 17,713 vehicles a day, roughly 28% of them trucks, projected to reach 24,586 by 2035. The structure is 175 ft (53.3 m) long and 44 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
Coordinates40.59016, -84.16244
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length175 ft (53.3 m)
Longest span65 ft (19.8 m)
Deck width44 ft (13.4 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.

What condition is IR-75 over Auglaize River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 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 175 ft (53.3 m) long with a longest span of 65 ft (19.8 m) and a deck 44 ft wide.

Who owns IR-75 over Auglaize River?

It is owned by the State Highway Agency.