US Bridges

US018 over Creek

Fair

Hutchinson County, South Dakota · 3.0 W of SD37 Junction · Structure no. 000000034031180

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
129 ft
5 main spans
Daily traffic
697
2024 count
Owner
State
State Highway Agency

About this bridge

US018 over Creek is a concrete continuous slab carrying US018 over Creek in Hutchinson County, South Dakota. It was built in 1961, so it is 64 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 6 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 697 vehicles a day, roughly 22% of them trucks, projected to reach 1,107 by 2044. The structure is 129 ft (39.2 m) long and 34 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesUS018
CrossesCreek
Location3.0 W of SD37 Junction
RouteU.S. Route 18
Coordinates43.23971, -98.04992
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length129 ft (39.2 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic697 (2024)
Projected traffic1,107 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US018 over Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is US018 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 July 2023.

How much traffic does US018 over Creek carry?

About 697 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is US018 over Creek?

The structure is 129 ft (39.2 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns US018 over Creek?

It is owned by the State Highway Agency.