US Bridges

Ir 75 NB over I & O RR

Good

Allen County, Ohio · .25 MI N of SR 65 · Structure no. 0201901

Built
2016
9 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
3 main spans
Daily traffic
22,650
2015 count
Owner
State
State Highway Agency

About this bridge

Ir 75 NB over I & O RR is a steel continuous stringer/multi-beam or girder carrying Ir 75 NB over I & O RR in Allen 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 22,650 vehicles a day, roughly 39% of them trucks, projected to reach 27,361 by 2035. The structure is 212 ft (64.6 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIr 75 NB
CrossesI & O RR
Location.25 MI N of SR 65
RouteInterstate 75
CountyAllen County
StateOhio
Coordinates40.69889, -84.0854
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 inspectionNovember 2023
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 rating64.3 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length212 ft (64.6 m)
Longest span90 ft (27.4 m)
Deck width69 ft (20.9 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,650 (2015)
Projected traffic27,361 by 2035
Trucks39%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ir 75 NB over I & O RR built?

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

What condition is Ir 75 NB over I & O RR 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 2023.

How much traffic does Ir 75 NB over I & O RR carry?

About 22,650 vehicles per day (2015 count), of which roughly 39% are trucks.

How long is Ir 75 NB over I & O RR?

The structure is 212 ft (64.6 m) long with a longest span of 90 ft (27.4 m) and a deck 69 ft wide.

Who owns Ir 75 NB over I & O RR?

It is owned by the State Highway Agency.