US Bridges

243th Street over Creek

Fair

Jones County, South Dakota · 1.1W & 1S Murdo · Structure no. 000000038159200

Built
1935
90 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

243th Street over Creek is a steel stringer/multi-beam or girder carrying 243th Street over Creek in Jones County, South Dakota. It was built in 1935, so it is 90 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 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 31 ft (9.3 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries243th Street
CrossesCreek
Location1.1W & 1S Murdo
RouteCounty Highway 0
Coordinates43.87944, -100.74881
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.9 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.3 m)
Longest span29 ft (8.7 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$871,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 243th Street over Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is 243th Street over 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 September 2024.

How much traffic does 243th Street over Creek carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 243th Street over Creek?

The structure is 31 ft (9.3 m) long with a longest span of 29 ft (8.7 m) and a deck 20 ft wide.

Who owns 243th Street over Creek?

It is owned by the County Highway Agency.