US Bridges

Bixby Road over Cabin Ck

Fair

Perkins County, South Dakota · 4.3 W 23.8 S Bison · Structure no. 000000053201528

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
83 ft
3 main spans
Daily traffic
89
2022 count
Owner
County
County Highway Agency

About this bridge

Bixby Road over Cabin Ck is a wood or timber stringer/multi-beam or girder carrying Bixby Road over Cabin Ck in Perkins County, South Dakota. It was built in 1954, so it is 71 years old, older 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 89 vehicles a day, roughly 3% of them trucks, projected to reach 89 by 2032. The structure is 83 ft (25.3 m) long and 26 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesBixby Road
CrossesCabin Ck
Location4.3 W 23.8 S Bison
RouteCounty Highway 0
Coordinates45.18635, -102.54637
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating27 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length83 ft (25.3 m)
Longest span27 ft (8.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2022)
Projected traffic89 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bixby Road over Cabin Ck built?

It was built in 1954, making it 71 years old in 2025.

What condition is Bixby Road over Cabin Ck 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 2023.

How much traffic does Bixby Road over Cabin Ck carry?

About 89 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Bixby Road over Cabin Ck?

The structure is 83 ft (25.3 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns Bixby Road over Cabin Ck?

It is owned by the County Highway Agency.