US Bridges

IRR - US 2 over White Bear Creek

Good

Blaine County, Montana · 11M W Dodson · Structure no. P00001442+08001

Built
1993
32 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
1,327
2023 count
Owner
State
State Highway Agency

About this bridge

IRR - US 2 over White Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR - US 2 over White Bear Creek in Blaine County, Montana. It was built in 1993, so it is 32 years old, younger than the Montana average of 47 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 1,327 vehicles a day, roughly 13% of them trucks, projected to reach 1,393 by 2043. The structure is 137 ft (41.8 m) long and 42 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesIRR - US 2
CrossesWhite Bear Creek
Location11M W Dodson
RouteU.S. Route 2
StateMontana
Coordinates48.40988, -108.48553
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span45 ft (13.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,327 (2023)
Projected traffic1,393 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 IRR - US 2 over White Bear Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is IRR - US 2 over White Bear Creek 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 August 2024.

How much traffic does IRR - US 2 over White Bear Creek carry?

About 1,327 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IRR - US 2 over White Bear Creek?

The structure is 137 ft (41.8 m) long with a longest span of 45 ft (13.8 m) and a deck 42 ft wide.

Who owns IRR - US 2 over White Bear Creek?

It is owned by the State Highway Agency.