US Bridges

NB IR-71 over Anderson Fork

Good

Clinton County, Ohio · 1.6 MI N of SR134 · Structure no. 1401832

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
43,000
2021 count
Owner
State
State Highway Agency

About this bridge

NB IR-71 over Anderson Fork is a concrete continuous slab carrying NB IR-71 over Anderson Fork 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 2041. The structure is 114 ft (34.6 m) long and 67 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesNB IR-71
CrossesAnderson Fork
Location1.6 MI N of SR134
RouteInterstate 71
StateOhio
Coordinates39.53625, -83.78328
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.
Superstructure9 ExcellentNo 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 within limits of footing or piles
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 rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length114 ft (34.6 m)
Longest span43 ft (13 m)
Deck width67 ft (20.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,000 (2021)
Projected traffic52,000 by 2041
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB IR-71 over Anderson Fork built?

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

What condition is NB IR-71 over Anderson Fork 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 NB IR-71 over Anderson Fork carry?

About 43,000 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is NB IR-71 over Anderson Fork?

The structure is 114 ft (34.6 m) long with a longest span of 43 ft (13 m) and a deck 67 ft wide.

Who owns NB IR-71 over Anderson Fork?

It is owned by the State Highway Agency.