US Bridges

US014A over Bear Butte Ck

Good

Lawrence County, South Dakota · 2.9 W I 90 Interch · Structure no. 000000041233142

Built
1975
50 years old
Condition
Good
inspected June 2024
Type
Frame
Concrete
Length
34 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 concrete frame carrying US014A over Bear Butte Ck in Lawrence County, South Dakota. It was built in 1975, so it is 50 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,870 vehicles a day, roughly 4% of them trucks, projected to reach 9,955 by 2044. The structure is 34 ft (10.4 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS014A
CrossesBear Butte Ck
Location2.9 W I 90 Interch
RouteU.S. Route 14
Coordinates44.39874, -103.58397
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.7 US tons
Inventory rating49.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.5 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 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 1975, making it 50 years old in 2025.

What condition is US014A over Bear Butte Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 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 34 ft (10.4 m) long with a longest span of 31 ft (9.5 m) and a deck 39 ft wide.

Who owns US014A over Bear Butte Ck?

It is owned by the State Highway Agency.