US Bridges

SD034 over False Bottom Ck

Good

Lawrence County, South Dakota · 5.1 SE Butte CO Line · Structure no. 000000041161038

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
71 ft
6 main spans
Daily traffic
3,690
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over False Bottom Ck is a concrete continuous culvert carrying SD034 over False Bottom Ck in Lawrence County, South Dakota. It was built in 1998, so it is 27 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 3,690 vehicles a day, roughly 27% of them trucks, projected to reach 5,347 by 2044. The structure is 71 ft (21.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSD034
CrossesFalse Bottom Ck
Location5.1 SE Butte CO Line
RouteState Highway 34
Coordinates44.55096, -103.72715
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.1 US tons
Inventory rating52.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20 + Mod
Structure length71 ft (21.6 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,690 (2024)
Projected traffic5,347 by 2044
Trucks27%
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

OwnerState Highway Agency
Maintained byState 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 SD034 over False Bottom Ck built?

It was built in 1998, making it 27 years old in 2025.

What condition is SD034 over False Bottom 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 April 2024.

How much traffic does SD034 over False Bottom Ck carry?

About 3,690 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is SD034 over False Bottom Ck?

The structure is 71 ft (21.6 m) long with a longest span of 11 ft (3.4 m).

Who owns SD034 over False Bottom Ck?

It is owned by the State Highway Agency.