US Bridges

SD053 over Williams Ck

Fair

Lyman County, South Dakota · 0.8MI N Mellette CO Line · Structure no. 000000043025323

Built
2001
24 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
54
2024 count
Owner
State
State Highway Agency

About this bridge

SD053 over Williams Ck is a concrete culvert carrying SD053 over Williams Ck in Lyman County, South Dakota. It was built in 2001, so it is 24 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 54 vehicles a day, roughly 14% of them trucks, projected to reach 68 by 2044. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSD053
CrossesWilliams Ck
Location0.8MI N Mellette CO Line
RouteState Highway 53
Coordinates43.72722, -100.30716
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating99 US tons
Inventory rating94.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2024)
Projected traffic68 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SD053 over Williams Ck built?

It was built in 2001, making it 24 years old in 2025.

What condition is SD053 over Williams 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 April 2024.

How much traffic does SD053 over Williams Ck carry?

About 54 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SD053 over Williams Ck?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns SD053 over Williams Ck?

It is owned by the State Highway Agency.