US Bridges

State Route 668 over SR668 over IR70

Good

Licking County, Ohio · At JCT of IR70 · Structure no. 4506782

Built
1959
66 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
4 main spans
Daily traffic
1,518
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 668 over SR668 over IR70 is a steel continuous stringer/multi-beam or girder carrying State Route 668 over SR668 over IR70 in Licking County, Ohio. It was built in 1959, so it is 66 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 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 1,518 vehicles a day, roughly 11% of them trucks, projected to reach 2,107 by 2035. The structure is 224 ft (68.3 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesState Route 668
CrossesSR668 over IR70
LocationAt JCT of IR70
RouteState Highway 668
CountyLicking County
StateOhio
Coordinates39.93603, -82.25626
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadHS 20 + Mod
Structure length224 ft (68.3 m)
Longest span67 ft (20.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,518 (2015)
Projected traffic2,107 by 2035
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

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 State Route 668 over SR668 over IR70 built?

It was built in 1959, making it 66 years old in 2025.

What condition is State Route 668 over SR668 over IR70 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 State Route 668 over SR668 over IR70 carry?

About 1,518 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is State Route 668 over SR668 over IR70?

The structure is 224 ft (68.3 m) long with a longest span of 67 ft (20.4 m) and a deck 31 ft wide.

Who owns State Route 668 over SR668 over IR70?

It is owned by the State Highway Agency.