US Bridges

SB Ir 71 over Turtle CR T72(TURTCR Rd)

Fair

Warren County, Ohio · .8 MI S of SR 48 · Structure no. 8302049

Built
1965
60 years old, rebuilt 2001
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
323 ft
3 main spans
Daily traffic
31,629
2015 count
Owner
State
State Highway Agency

About this bridge

SB Ir 71 over Turtle CR T72(TURTCR Rd) is a steel continuous stringer/multi-beam or girder carrying SB Ir 71 over Turtle CR T72(TURTCR Rd) 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 5 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 323 ft (98.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB Ir 71
CrossesTurtle CR T72(TURTCR Rd)
Location.8 MI S of SR 48
RouteInterstate 71
StateOhio
Coordinates39.38006, -84.23578
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length323 ft (98.5 m)
Longest span122 ft (37.2 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
CrossesHighway and waterway
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 SB Ir 71 over Turtle CR T72(TURTCR Rd) built?

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

What condition is SB Ir 71 over Turtle CR T72(TURTCR Rd) 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 September 2024.

How much traffic does SB Ir 71 over Turtle CR T72(TURTCR Rd) carry?

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

How long is SB Ir 71 over Turtle CR T72(TURTCR Rd)?

The structure is 323 ft (98.5 m) long with a longest span of 122 ft (37.2 m) and a deck 64 ft wide.

Who owns SB Ir 71 over Turtle CR T72(TURTCR Rd)?

It is owned by the State Highway Agency.