US Bridges

NB Ir 71 over Abandoned Railway

Fair

Warren County, Ohio · 1.4 MI N of SR 741 · Structure no. 8302014

Built
1965
60 years old, rebuilt 2001
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
131 ft
3 main spans
Daily traffic
31,629
2015 count
Owner
State
State Highway Agency

About this bridge

NB Ir 71 over Abandoned Railway is a concrete continuous slab carrying NB Ir 71 over Abandoned Railway in Warren County, Ohio. It was built in 1965 and reconstructed in 2001, so it is 60 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 31,629 vehicles a day, roughly 11% of them trucks, projected to reach 43,901 by 2035. The structure is 131 ft (39.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNB Ir 71
CrossesAbandoned Railway
Location1.4 MI N of SR 741
RouteInterstate 71
CountyWarren County
StateOhio
Coordinates39.3733, -84.24699
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating67.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width64 ft (19.6 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,629 (2015)
Projected traffic43,901 by 2035
Trucks11%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB Ir 71 over Abandoned Railway built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2001.

What condition is NB Ir 71 over Abandoned Railway 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 February 2024.

How much traffic does NB Ir 71 over Abandoned Railway carry?

About 31,629 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is NB Ir 71 over Abandoned Railway?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 64 ft wide.

Who owns NB Ir 71 over Abandoned Railway?

It is owned by the State Highway Agency.