US Bridges

Creston Road over Spring Ck

FairPosted for load

Pennington County, South Dakota · 8.5E 7.3S Farmingdale · Structure no. 000000052674460

Built
1967
58 years old, rebuilt 1990
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
1 main span
Daily traffic
27
2022 count
Owner
County
County Highway Agency

About this bridge

Creston Road over Spring Ck is a wood or timber stringer/multi-beam or girder carrying Creston Road over Spring Ck in Pennington County, South Dakota. It was built in 1967 and reconstructed in 1990, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 27 vehicles a day, roughly 3% of them trucks, projected to reach 27 by 2032. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 38.5 mi (62 km).

CarriesCreston Road
CrossesSpring Ck
Location8.5E 7.3S Farmingdale
RouteCounty Highway 0
Coordinates43.85622, -102.70898
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.8 US tons
Inventory rating14.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2022)
Projected traffic27 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed38.5 mi (62 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 Creston Road over Spring Ck built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1990.

What condition is Creston Road over Spring 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 Creston Road over Spring Ck carry?

About 27 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Creston Road over Spring Ck?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Creston Road over Spring Ck?

It is owned by the County Highway Agency.