US Bridges

US 2 over Dodson North Canal

Fair

Phillips County, Montana · Dodson · Structure no. P00001454+00361

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
1,351
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Dodson North Canal is a prestressed concrete stringer/multi-beam or girder carrying US 2 over Dodson North Canal in Phillips County, Montana. It was built in 1976, so it is 49 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 1,351 vehicles a day, roughly 13% of them trucks, projected to reach 1,419 by 2043. The structure is 52 ft (15.8 m) long and 49 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesUS 2
CrossesDodson North Canal
LocationDodson
RouteU.S. Route 2
StateMontana
Coordinates48.3976, -108.24829
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width49 ft (14.9 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,351 (2023)
Projected traffic1,419 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 US 2 over Dodson North Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 2 over Dodson North Canal 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 March 2024.

How much traffic does US 2 over Dodson North Canal carry?

About 1,351 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US 2 over Dodson North Canal?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 49 ft wide.

Who owns US 2 over Dodson North Canal?

It is owned by the State Highway Agency.