US Bridges

IR-75 over Washington St/ NS & CSX

Good

Montgomery County, Ohio · .11 MI N of JCT of Usr 35 · Structure no. 5707668

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
2 main spans
Daily traffic
91,467
2015 count
Owner
State
State Highway Agency

About this bridge

IR-75 over Washington St/ NS & CSX is a steel continuous stringer/multi-beam or girder carrying IR-75 over Washington St/ NS & CSX in Montgomery County, Ohio. It was built in 2012, so it is 13 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 91,467 vehicles a day, roughly 14% of them trucks, projected to reach 126,956 by 2035. The structure is 301 ft (91.7 m) long and 90 ft wide.

CarriesIR-75
CrossesWashington St/ NS & CSX
Location.11 MI N of JCT of Usr 35
RouteInterstate 75
StateOhio
Coordinates39.74958, -84.20608
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.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length301 ft (91.7 m)
Longest span162 ft (49.3 m)
Deck width90 ft (27.4 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,467 (2015)
Projected traffic126,956 by 2035
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 over Washington St/ NS & CSX built?

It was built in 2012, making it 13 years old in 2025.

What condition is IR-75 over Washington St/ NS & CSX 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 September 2023.

How much traffic does IR-75 over Washington St/ NS & CSX carry?

About 91,467 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is IR-75 over Washington St/ NS & CSX?

The structure is 301 ft (91.7 m) long with a longest span of 162 ft (49.3 m) and a deck 90 ft wide.

Who owns IR-75 over Washington St/ NS & CSX?

It is owned by the State Highway Agency.