US Bridges

US014A over Bear Butte Ck

Fair

Lawrence County, South Dakota · 3.5 W I 90 Interch · Structure no. 000000041234145

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
6,870
2024 count
Owner
State
State Highway Agency

About this bridge

US014A over Bear Butte Ck is a steel stringer/multi-beam or girder carrying US014A over Bear Butte Ck in Lawrence County, South Dakota. It was built in 2000, so it is 25 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 6,870 vehicles a day, roughly 4% of them trucks, projected to reach 9,955 by 2044. The structure is 75 ft (23 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS014A
CrossesBear Butte Ck
Location3.5 W I 90 Interch
RouteU.S. Route 14
Coordinates44.39647, -103.58204
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length75 ft (23 m)
Longest span73 ft (22.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,870 (2024)
Projected traffic9,955 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 US014A over Bear Butte Ck built?

It was built in 2000, making it 25 years old in 2025.

What condition is US014A over Bear Butte 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 July 2024.

How much traffic does US014A over Bear Butte Ck carry?

About 6,870 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US014A over Bear Butte Ck?

The structure is 75 ft (23 m) long with a longest span of 73 ft (22.4 m) and a deck 43 ft wide.

Who owns US014A over Bear Butte Ck?

It is owned by the State Highway Agency.