US Bridges

28810 418 Ave. over South Br Lonetree Ck

FairPosted for load

Hutchinson County, South Dakota · 1.9N Kaylor · Structure no. 000000034140201

Built
1953
72 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
428
2022 count
Owner
County
County Highway Agency

About this bridge

28810 418 Ave. over South Br Lonetree Ck is a concrete continuous slab carrying 28810 418 Ave. over South Br Lonetree Ck in Hutchinson County, South Dakota. It was built in 1953, so it is 72 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 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. Its operating status is: posted for load restriction.

It carries about 428 vehicles a day, roughly 3% of them trucks, projected to reach 428 by 2032. The structure is 60 ft (18.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries28810 418 Ave.
CrossesSouth Br Lonetree Ck
Location1.9N Kaylor
RouteCounty Highway 0
Coordinates43.21054, -97.83479
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.4 m)
Longest span23 ft (6.9 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic428 (2022)
Projected traffic428 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 28810 418 Ave. over South Br Lonetree Ck built?

It was built in 1953, making it 72 years old in 2025.

What condition is 28810 418 Ave. over South Br Lonetree 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 May 2024.

How much traffic does 28810 418 Ave. over South Br Lonetree Ck carry?

About 428 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 28810 418 Ave. over South Br Lonetree Ck?

The structure is 60 ft (18.4 m) long with a longest span of 23 ft (6.9 m) and a deck 28 ft wide.

Who owns 28810 418 Ave. over South Br Lonetree Ck?

It is owned by the County Highway Agency.