US Bridges

Potter-Lyons over N Fork Stillwater River

Good

Darke County, Ohio · .3 MI E SR 118 · Structure no. 1950878

Built
2010
15 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
797
2015 count
Owner
County
County Highway Agency

About this bridge

Potter-Lyons over N Fork Stillwater River is a prestressed concrete box beam or girders - multiple carrying Potter-Lyons over N Fork Stillwater River in Darke County, Ohio. It was built in 2010, so it is 15 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 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 797 vehicles a day, roughly 8% of them trucks, projected to reach 1,106 by 2035. The structure is 63 ft (19.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPotter-Lyons
CrossesN Fork Stillwater River
Location.3 MI E SR 118
RouteCounty Highway T0223
StateOhio
Coordinates40.2575, -84.63139
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic797 (2015)
Projected traffic1,106 by 2035
Trucks8%
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 Potter-Lyons over N Fork Stillwater River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Potter-Lyons over N Fork Stillwater River 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 July 2023.

How much traffic does Potter-Lyons over N Fork Stillwater River carry?

About 797 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Potter-Lyons over N Fork Stillwater River?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Potter-Lyons over N Fork Stillwater River?

It is owned by the County Highway Agency.