US Bridges

US014A Pine ST over Whitewood Ck

Fair

Lawrence County, South Dakota · At JCT US 85 S · Structure no. 000000041161156

Built
1967
58 years old, rebuilt 1989
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
1,768 ft
17 main spans
Daily traffic
11,370
2024 count
Owner
State
State Highway Agency

About this bridge

US014A Pine ST over Whitewood Ck is a prestressed concrete girder and floorbeam system carrying US014A Pine ST over Whitewood Ck in Lawrence County, South Dakota. It was built in 1967 and reconstructed in 1989, 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.

It carries about 11,370 vehicles a day, roughly 13% of them trucks, projected to reach 16,475 by 2044. The structure is 1,768 ft (538.9 m) long and 51 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesUS014A Pine ST
CrossesWhitewood Ck
LocationAt JCT US 85 S
RouteU.S. Route 14
Coordinates44.37916, -103.72625
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length1,768 ft (538.9 m)
Longest span46 ft (13.9 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,370 (2024)
Projected traffic16,475 by 2044
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$15 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US014A Pine ST over Whitewood Ck built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1989.

What condition is US014A Pine ST over Whitewood 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 August 2024.

How much traffic does US014A Pine ST over Whitewood Ck carry?

About 11,370 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US014A Pine ST over Whitewood Ck?

The structure is 1,768 ft (538.9 m) long with a longest span of 46 ft (13.9 m) and a deck 51 ft wide.

Who owns US014A Pine ST over Whitewood Ck?

It is owned by the State Highway Agency.