US Bridges

NB IR-75 over Alex Bell Road

Fair

Montgomery County, Ohio · 3.44MI.S of Jct. SR-741 · Structure no. 5706602

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
50,323
2015 count
Owner
State
State Highway Agency

About this bridge

NB IR-75 over Alex Bell Road is a concrete continuous slab carrying NB IR-75 over Alex Bell Road in Montgomery County, Ohio. It was built in 1960, so it is 65 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50,323 vehicles a day, roughly 14% of them trucks, projected to reach 69,848 by 2035. The structure is 131 ft (39.9 m) long and 56 ft wide.

CarriesNB IR-75
CrossesAlex Bell Road
Location3.44MI.S of Jct. SR-741
RouteInterstate 75
StateOhio
Coordinates39.67377, -84.23268
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length131 ft (39.9 m)
Longest span47 ft (14.3 m)
Deck width56 ft (17.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,323 (2015)
Projected traffic69,848 by 2035
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 NB IR-75 over Alex Bell Road built?

It was built in 1960, making it 65 years old in 2025.

What condition is NB IR-75 over Alex Bell Road 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 November 2024.

How much traffic does NB IR-75 over Alex Bell Road carry?

About 50,323 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is NB IR-75 over Alex Bell Road?

The structure is 131 ft (39.9 m) long with a longest span of 47 ft (14.3 m) and a deck 56 ft wide.

Who owns NB IR-75 over Alex Bell Road?

It is owned by the State Highway Agency.