US Bridges

41960 284 Str. over Lonetree Ck

Good

Hutchinson County, South Dakota · 2.0N & 6.4W of Olivet · Structure no. 000000034156160

Built
1984
41 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

41960 284 Str. over Lonetree Ck is a prestressed concrete tee beam carrying 41960 284 Str. over Lonetree Ck in Hutchinson County, South Dakota. It was built in 1984, so it is 41 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2042. The structure is 26 ft (7.8 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries41960 284 Str.
CrossesLonetree Ck
Location2.0N & 6.4W of Olivet
RouteCounty Highway 0
Coordinates43.27066, -97.80467
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 41960 284 Str. over Lonetree Ck built?

It was built in 1984, making it 41 years old in 2025.

What condition is 41960 284 Str. over Lonetree Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does 41960 284 Str. over Lonetree Ck carry?

About 50 vehicles per day (2022 count).

How long is 41960 284 Str. over Lonetree Ck?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns 41960 284 Str. over Lonetree Ck?

It is owned by the County Highway Agency.