US Bridges

SB Ir 71 over Grassy Run

Good

Clinton County, Ohio · 1.3 MI S Cli-Gre CO Line · Structure no. 1401891

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
43,000
2012 count
Owner
State
State Highway Agency

About this bridge

SB Ir 71 over Grassy Run is a concrete continuous slab carrying SB Ir 71 over Grassy Run in Clinton County, Ohio. It was built in 2024, so it is 1 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 43,000 vehicles a day, roughly 21% of them trucks, projected to reach 52,000 by 2024. The structure is 81 ft (24.8 m) long and 67 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSB Ir 71
CrossesGrassy Run
Location1.3 MI S Cli-Gre CO Line
RouteInterstate 71
StateOhio
Coordinates39.54657, -83.75109
Functional classRural 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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length81 ft (24.8 m)
Longest span30 ft (9.1 m)
Deck width67 ft (20.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,000 (2012)
Projected traffic52,000 by 2024
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Grassy Run built?

It was built in 2024, making it 1 years old in 2025.

What condition is SB Ir 71 over Grassy Run 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 July 2024.

How much traffic does SB Ir 71 over Grassy Run carry?

About 43,000 vehicles per day (2012 count), of which roughly 21% are trucks.

How long is SB Ir 71 over Grassy Run?

The structure is 81 ft (24.8 m) long with a longest span of 30 ft (9.1 m) and a deck 67 ft wide.

Who owns SB Ir 71 over Grassy Run?

It is owned by the State Highway Agency.