US Bridges

US 2 over Swan River

Fair

Itasca County, Minnesota · 0.2 MI E of Warba · Structure no. 31028

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
3,900
2019 count
Owner
State
State Highway Agency

About this bridge

US 2 over Swan River is a prestressed concrete stringer/multi-beam or girder carrying US 2 over Swan River in Itasca County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 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 3,900 vehicles a day, roughly 12% of them trucks, projected to reach 3,950 by 2039. The structure is 78 ft (23.7 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 2
CrossesSwan River
Location0.2 MI E of Warba
RouteU.S. Route 2
Coordinates47.12901, -93.26471
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.7 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span76 ft (23.3 m)
Deck width54 ft (16.6 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2019)
Projected traffic3,950 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Swan River built?

It was built in 1979, making it 46 years old in 2025.

What condition is US 2 over Swan River 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 June 2024.

How much traffic does US 2 over Swan River carry?

About 3,900 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is US 2 over Swan River?

The structure is 78 ft (23.7 m) long with a longest span of 76 ft (23.3 m) and a deck 54 ft wide.

Who owns US 2 over Swan River?

It is owned by the State Highway Agency.