US Bridges

234 Street over Smith Ck

Poor

Jerauld County, South Dakota · 2.6N Crow Lake · Structure no. 000000037096140

Built
1968
57 years old
Condition
Poor
inspected August 2024
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
55
2022 count
Owner
County
County Highway Agency

About this bridge

234 Street over Smith Ck is a concrete channel beam carrying 234 Street over Smith Ck in Jerauld County, South Dakota. It was built in 1968, so it is 57 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.

It carries about 55 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2032. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries234 Street
CrossesSmith Ck
Location2.6N Crow Lake
RouteCounty Highway 0
Coordinates43.99321, -98.73819
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2022)
Projected traffic55 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 234 Street over Smith Ck built?

It was built in 1968, making it 57 years old in 2025.

What condition is 234 Street over Smith Ck 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 August 2024.

How much traffic does 234 Street over Smith Ck carry?

About 55 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 234 Street over Smith Ck?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns 234 Street over Smith Ck?

It is owned by the County Highway Agency.