US Bridges

SR-571 over Branch of Hog Run

Fair

Darke County, Ohio · .34MI.W.OF Miami County · Structure no. 1903640

Built
1991
34 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
2,198
2018 count
Owner
State
State Highway Agency

About this bridge

SR-571 over Branch of Hog Run is a prestressed concrete box beam or girders - multiple carrying SR-571 over Branch of Hog Run in Darke County, Ohio. It was built in 1991, so it is 34 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 2,198 vehicles a day, roughly 7% of them trucks, projected to reach 3,051 by 2038. The structure is 46 ft (14 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR-571
CrossesBranch of Hog Run
Location.34MI.W.OF Miami County
RouteState Highway 571
CountyDarke County
StateOhio
Coordinates40.01325, -84.43397
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating25.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,198 (2018)
Projected traffic3,051 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-571 over Branch of Hog Run built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR-571 over Branch of Hog Run 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 August 2024.

How much traffic does SR-571 over Branch of Hog Run carry?

About 2,198 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is SR-571 over Branch of Hog Run?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns SR-571 over Branch of Hog Run?

It is owned by the State Highway Agency.