US Bridges

US Highway 12 over BNSF Railroad

Fair

Adams County, North Dakota · 5 East JCT Nd 8 North · Structure no. 0012086932

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
675
2022 count
Owner
State
State Highway Agency

About this bridge

US Highway 12 over BNSF Railroad is a steel continuous stringer/multi-beam or girder carrying US Highway 12 over BNSF Railroad in Adams County, North Dakota. It was built in 2000, so it is 25 years old, younger than the North Dakota average of 48.2 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 675 vehicles a day, roughly 17% of them trucks, projected to reach 825 by 2039. The structure is 152 ft (46.3 m) long and 38 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

Location

Open in Google Maps
CarriesUS Highway 12
CrossesBNSF Railroad
Location5 East JCT Nd 8 North
RouteU.S. Route 12
CountyAdams County
StateNorth Dakota
Coordinates45.95194, -102.39724
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length152 ft (46.3 m)
Longest span46 ft (14 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2022)
Projected traffic825 by 2039
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed55.9 mi (90 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 US Highway 12 over BNSF Railroad built?

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

What condition is US Highway 12 over BNSF Railroad 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 US Highway 12 over BNSF Railroad carry?

About 675 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is US Highway 12 over BNSF Railroad?

The structure is 152 ft (46.3 m) long with a longest span of 46 ft (14 m) and a deck 38 ft wide.

Who owns US Highway 12 over BNSF Railroad?

It is owned by the State Highway Agency.