US Bridges

469th Avenue over Tributary to Ash Creek

PoorPosted for load

Lincoln County, South Dakota · 2W & 0.3N of Beresford · Structure no. 000000042050287

Built
1935
90 years old, rebuilt 1957
Condition
Poor
inspected May 2023
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
261
2022 count
Owner
County
County Highway Agency

About this bridge

469th Avenue over Tributary to Ash Creek is a concrete continuous slab carrying 469th Avenue over Tributary to Ash Creek in Lincoln County, South Dakota. It was built in 1935 and reconstructed in 1957, so it is 90 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 261 vehicles a day, roughly 2% of them trucks, projected to reach 261 by 2032. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries469th Avenue
CrossesTributary to Ash Creek
Location2W & 0.3N of Beresford
RouteCounty Highway 0
Coordinates43.08978, -96.82547
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating16.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic261 (2022)
Projected traffic261 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$566,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 469th Avenue over Tributary to Ash Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1957.

What condition is 469th Avenue over Tributary to Ash 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 May 2023.

How much traffic does 469th Avenue over Tributary to Ash Creek carry?

About 261 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 469th Avenue over Tributary to Ash Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m) and a deck 30 ft wide.

Who owns 469th Avenue over Tributary to Ash Creek?

It is owned by the County Highway Agency.