US Bridges

Rea Twp RD 121 over Somerset Creek

Good

Perry County, Ohio · 0.2 MI W of SR 668 · Structure no. 6435572

Built
1989
36 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
96
2015 count
Owner
County
County Highway Agency

About this bridge

Rea Twp RD 121 over Somerset Creek is a steel stringer/multi-beam or girder carrying Rea Twp RD 121 over Somerset Creek in Perry County, Ohio. It was built in 1989, so it is 36 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 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 96 vehicles a day, roughly 7% of them trucks, projected to reach 133 by 2043. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRea Twp RD 121
CrossesSomerset Creek
Location0.2 MI W of SR 668
RouteCounty Highway 121
StateOhio
Coordinates39.78361, -82.30611
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2015)
Projected traffic133 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Rea Twp RD 121 over Somerset Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Rea Twp RD 121 over 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 February 2024.

How much traffic does Rea Twp RD 121 over Somerset Creek carry?

About 96 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Rea Twp RD 121 over Somerset Creek?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns Rea Twp RD 121 over Somerset Creek?

It is owned by the County Highway Agency.