US Bridges

Elroy-Ansonia over Branch of Stillwater

Fair

Darke County, Ohio · .62 MI E Detling · Structure no. 1950711

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
3 main spans
Daily traffic
111
2015 count
Owner
County
County Highway Agency

About this bridge

Elroy-Ansonia over Branch of Stillwater is a steel stringer/multi-beam or girder carrying Elroy-Ansonia over Branch of Stillwater in Darke County, Ohio. It was built in 1982, so it is 43 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 111 vehicles a day, roughly 7% of them trucks, projected to reach 154 by 2035. The structure is 59 ft (18 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesElroy-Ansonia
CrossesBranch of Stillwater
Location.62 MI E Detling
RouteCounty Highway T0066
CountyDarke County
StateOhio
Coordinates40.20736, -84.65535
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length59 ft (18 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2015)
Projected traffic154 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 Elroy-Ansonia over Branch of Stillwater built?

It was built in 1982, making it 43 years old in 2025.

What condition is Elroy-Ansonia over Branch of Stillwater in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Elroy-Ansonia over Branch of Stillwater carry?

About 111 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Elroy-Ansonia over Branch of Stillwater?

The structure is 59 ft (18 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Elroy-Ansonia over Branch of Stillwater?

It is owned by the County Highway Agency.