US Bridges

Horse Camp Road over Angostura Main Canal

Fair

Fall River County, South Dakota · 6.7W & 3.3S of Oral · Structure no. 000000024330084

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

Horse Camp Road over Angostura Main Canal is a prestressed concrete tee beam carrying Horse Camp Road over Angostura Main Canal in Fall River County, South Dakota. It was built in 1986, so it is 39 years old, younger than the South Dakota average of 48.9 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 41 vehicles a day, roughly 2% of them trucks, projected to reach 41 by 2032. The structure is 41 ft (12.5 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHorse Camp Road
CrossesAngostura Main Canal
Location6.7W & 3.3S of Oral
RouteCounty Highway 0
Coordinates43.35662, -103.40199
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic41 by 2032
Trucks2%
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 Horse Camp Road over Angostura Main Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is Horse Camp Road over Angostura Main Canal 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 May 2024.

How much traffic does Horse Camp Road over Angostura Main Canal carry?

About 41 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Horse Camp Road over Angostura Main Canal?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 23 ft wide.

Who owns Horse Camp Road over Angostura Main Canal?

It is owned by the County Highway Agency.