US Bridges

SB US 68 over I71

Good

Clinton County, Ohio · Over Ir 71 · Structure no. 1401327

Built
1964
61 years old, rebuilt 2010
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
296 ft
4 main spans
Daily traffic
6,256
2015 count
Owner
State
State Highway Agency

About this bridge

SB US 68 over I71 is a steel continuous stringer/multi-beam or girder carrying SB US 68 over I71 in Clinton County, Ohio. It was built in 1964 and reconstructed in 2010, so it is 61 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,256 vehicles a day, roughly 15% of them trucks, projected to reach 8,683 by 2035. The structure is 296 ft (90.1 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSB US 68
CrossesI71
LocationOver Ir 71
RouteU.S. Route 68
CountyClinton County
StateOhio
Coordinates39.51885, -83.84564
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length296 ft (90.1 m)
Longest span82 ft (25 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,256 (2015)
Projected traffic8,683 by 2035
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 SB US 68 over I71 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2010.

What condition is SB US 68 over I71 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 August 2023.

How much traffic does SB US 68 over I71 carry?

About 6,256 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is SB US 68 over I71?

The structure is 296 ft (90.1 m) long with a longest span of 82 ft (25 m) and a deck 36 ft wide.

Who owns SB US 68 over I71?

It is owned by the State Highway Agency.