US Bridges

469th Avenue over Saddle Creek

Fair

Lincoln County, South Dakota · 8.9S & 3E of Lennox · Structure no. 000000042050199

Built
2010
15 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
135
2022 count
Owner
County
County Highway Agency

About this bridge

469th Avenue over Saddle Creek is a prestressed concrete stringer/multi-beam or girder carrying 469th Avenue over Saddle Creek in Lincoln County, South Dakota. It was built in 2010, so it is 15 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 135 vehicles a day, roughly 2% of them trucks, projected to reach 135 by 2032. The structure is 70 ft (21.4 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries469th Avenue
CrossesSaddle Creek
Location8.9S & 3E of Lennox
RouteCounty Highway 0
Coordinates43.21521, -96.82593
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating62.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length70 ft (21.4 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2022)
Projected traffic135 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 469th Avenue over Saddle Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is 469th Avenue over Saddle Creek 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 469th Avenue over Saddle Creek carry?

About 135 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 469th Avenue over Saddle Creek?

The structure is 70 ft (21.4 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns 469th Avenue over Saddle Creek?

It is owned by the County Highway Agency.