US Bridges

472nd Avenue over Saddle Creek

PoorPosted for load

Lincoln County, South Dakota · 7.3S of Worthing · Structure no. 000000042080193

Built
1938
87 years old, rebuilt 1970
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

472nd Avenue over Saddle Creek is a steel stringer/multi-beam or girder carrying 472nd Avenue over Saddle Creek in Lincoln County, South Dakota. It was built in 1938 and reconstructed in 1970, so it is 87 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2032. The structure is 66 ft (20.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries472nd Avenue
CrossesSaddle Creek
Location7.3S of Worthing
RouteCounty Highway 0
Coordinates43.22467, -96.76675
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.1 US tons
Inventory rating15.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic150 by 2032
Trucks3%
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$1.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 472nd Avenue over Saddle Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1970.

What condition is 472nd Avenue over Saddle Creek 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 June 2023.

How much traffic does 472nd Avenue over Saddle Creek carry?

About 150 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 472nd Avenue over Saddle Creek?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 33 ft wide.

Who owns 472nd Avenue over Saddle Creek?

It is owned by the County Highway Agency.