US Bridges

Union City-Elroy over S.Frk Stillwater

Good

Darke County, Ohio · .15 MI W New Mad-Coletown · Structure no. 1949438

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
168
2015 count
Owner
County
County Highway Agency

About this bridge

Union City-Elroy over S.Frk Stillwater is a prestressed concrete box beam or girders - multiple carrying Union City-Elroy over S.Frk Stillwater in Darke County, Ohio. It was built in 1999, so it is 26 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 168 vehicles a day, roughly 7% of them trucks, projected to reach 233 by 2035. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUnion City-Elroy
CrossesS.Frk Stillwater
Location.15 MI W New Mad-Coletown
RouteCounty Highway T0093
StateOhio
Coordinates40.20768, -84.71448
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 inspectionAugust 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 rating91.4 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2015)
Projected traffic233 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Union City-Elroy over S.Frk Stillwater built?

It was built in 1999, making it 26 years old in 2025.

What condition is Union City-Elroy over S.Frk Stillwater 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 Union City-Elroy over S.Frk Stillwater carry?

About 168 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Union City-Elroy over S.Frk Stillwater?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Union City-Elroy over S.Frk Stillwater?

It is owned by the County Highway Agency.