US Bridges

US012 over Burlington Northern RR

Good

Grant County, South Dakota · 0.9 W JCT Sd 15 · Structure no. 000000026282072

Built
2013
12 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
2,192
2024 count
Owner
State
State Highway Agency

About this bridge

US012 over Burlington Northern RR is a prestressed concrete stringer/multi-beam or girder carrying US012 over Burlington Northern RR in Grant County, South Dakota. It was built in 2013, so it is 12 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 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 2,192 vehicles a day, roughly 26% of them trucks, projected to reach 2,994 by 2044. The structure is 213 ft (64.9 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS012
CrossesBurlington Northern RR
Location0.9 W JCT Sd 15
RouteU.S. Route 12
Coordinates45.21965, -96.6578
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50.6 US tons
Inventory rating39.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length213 ft (64.9 m)
Longest span86 ft (26.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,192 (2024)
Projected traffic2,994 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US012 over Burlington Northern RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is US012 over Burlington Northern RR 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 March 2023.

How much traffic does US012 over Burlington Northern RR carry?

About 2,192 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is US012 over Burlington Northern RR?

The structure is 213 ft (64.9 m) long with a longest span of 86 ft (26.2 m) and a deck 43 ft wide.

Who owns US012 over Burlington Northern RR?

It is owned by the State Highway Agency.