US Bridges

146th Street over Preachers Run Creek

Fair

Edmunds County, South Dakota · 12.0S & 9.5E of Ipswich · Structure no. 000000023425220

Built
2004
21 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

146th Street over Preachers Run Creek is a prestressed concrete tee beam carrying 146th Street over Preachers Run Creek in Edmunds County, South Dakota. It was built in 2004, so it is 21 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 5 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries146th Street
CrossesPreachers Run Creek
Location12.0S & 9.5E of Ipswich
RouteCounty Highway 0
Coordinates45.27356, -98.83614
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span38 ft (11.7 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 146th Street over Preachers Run Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is 146th Street over Preachers Run 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 June 2023.

How much traffic does 146th Street over Preachers Run Creek carry?

About 60 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 146th Street over Preachers Run Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.7 m) and a deck 31 ft wide.

Who owns 146th Street over Preachers Run Creek?

It is owned by the County Highway Agency.