US Bridges

US014 over Nowlin Ck

Fair

Haakon County, South Dakota · 5.9 W of Midland · Structure no. 000000028368474

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
617
2024 count
Owner
State
State Highway Agency

About this bridge

US014 over Nowlin Ck is a concrete continuous culvert carrying US014 over Nowlin Ck in Haakon County, South Dakota. It was built in 1994, so it is 31 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 617 vehicles a day, roughly 19% of them trucks, projected to reach 877 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS014
CrossesNowlin Ck
Location5.9 W of Midland
RouteU.S. Route 14
Coordinates44.06225, -101.27306
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 48 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating82.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic617 (2024)
Projected traffic877 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 US014 over Nowlin Ck built?

It was built in 1994, making it 31 years old in 2025.

What condition is US014 over Nowlin 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 April 2023.

How much traffic does US014 over Nowlin Ck carry?

About 617 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is US014 over Nowlin Ck?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m).

Who owns US014 over Nowlin Ck?

It is owned by the State Highway Agency.