US Bridges

SR 6668 over Trib of Somerset Creek

Good

Perry County, Ohio · 4.1 M N of JCT SR 37 · Structure no. 6410001

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,500
2016 count
Owner
State
State Highway Agency

About this bridge

SR 6668 over Trib of Somerset Creek is a concrete culvert carrying SR 6668 over Trib of Somerset Creek in Perry County, Ohio. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, roughly 6% of them trucks, projected to reach 1,600 by 2036. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR 6668
CrossesTrib of Somerset Creek
Location4.1 M N of JCT SR 37
RouteState Highway 668
StateOhio
Coordinates39.78103, -82.30209
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2016)
Projected traffic1,600 by 2036
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$295.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 6668 over Trib of Somerset Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 6668 over Trib of Somerset Creek 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 September 2023.

How much traffic does SR 6668 over Trib of Somerset Creek carry?

About 1,500 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR 6668 over Trib of Somerset Creek?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.2 m).

Who owns SR 6668 over Trib of Somerset Creek?

It is owned by the State Highway Agency.