US Bridges

Upper Somers RD over Seventeen Mile Creek

PoorPosted for load

Preble County, Ohio · 1st N of SR 725 · Structure no. 6835481

Built
1960
65 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Upper Somers RD over Seventeen Mile Creek is a concrete slab carrying Upper Somers RD over Seventeen Mile Creek in Preble County, Ohio. It was built in 1960, so it is 65 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 27 ft (8.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUpper Somers RD
CrossesSeventeen Mile Creek
Location1st N of SR 725
RouteCounty Highway T0327
StateOhio
Coordinates39.64252, -84.62079
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating21.4 US tons
Inventory rating10.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Upper Somers RD over Seventeen Mile Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Upper Somers RD over Seventeen Mile Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Upper Somers RD over Seventeen Mile Creek carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Upper Somers RD over Seventeen Mile Creek?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Upper Somers RD over Seventeen Mile Creek?

It is owned by the County Highway Agency.