US Bridges

Chance Road over Rabbit Ck

PoorPosted for load

Perkins County, South Dakota · 15.7S 3.4E Bison · Structure no. 000000053274447

Built
1950
75 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
204 ft
4 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Chance Road over Rabbit Ck is a steel stringer/multi-beam or girder carrying Chance Road over Rabbit Ck in Perkins County, South Dakota. It was built in 1950, so it is 75 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, roughly 3% of them trucks, projected to reach 26 by 2032. The structure is 204 ft (62.2 m) long and 22 ft wide. If it were closed, the detour would be 41 mi (66 km).

CarriesChance Road
CrossesRabbit Ck
Location15.7S 3.4E Bison
RouteCounty Highway 0
Coordinates45.30389, -102.39819
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29 US tons
Inventory rating17.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length204 ft (62.2 m)
Longest span59 ft (18 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chance Road over Rabbit Ck built?

It was built in 1950, making it 75 years old in 2025.

What condition is Chance Road over Rabbit Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Chance Road over Rabbit Ck carry?

About 26 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Chance Road over Rabbit Ck?

The structure is 204 ft (62.2 m) long with a longest span of 59 ft (18 m) and a deck 22 ft wide.

Who owns Chance Road over Rabbit Ck?

It is owned by the County Highway Agency.