US Bridges

SD037 over Fordham Ck

Fair

Spink County, South Dakota · 7.7 N JCT US 212 · Structure no. 000000058300163

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
140 ft
5 main spans
Daily traffic
462
2024 count
Owner
State
State Highway Agency

About this bridge

SD037 over Fordham Ck is a concrete continuous slab carrying SD037 over Fordham Ck in Spink County, South Dakota. It was built in 1958, so it is 67 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 462 vehicles a day, roughly 17% of them trucks, projected to reach 629 by 2044. The structure is 140 ft (42.7 m) long and 34 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesSD037
CrossesFordham Ck
Location7.7 N JCT US 212
RouteState Highway 37
Coordinates45.00717, -98.10508
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length140 ft (42.7 m)
Longest span28 ft (8.6 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2024)
Projected traffic629 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$95,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SD037 over Fordham Ck built?

It was built in 1958, making it 67 years old in 2025.

What condition is SD037 over Fordham Ck 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 2024.

How much traffic does SD037 over Fordham Ck carry?

About 462 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SD037 over Fordham Ck?

The structure is 140 ft (42.7 m) long with a longest span of 28 ft (8.6 m) and a deck 34 ft wide.

Who owns SD037 over Fordham Ck?

It is owned by the State Highway Agency.