US Bridges

Mn 65 over Swan River

Fair

Itasca County, Minnesota · 3.6 MI S of S JCT TH 169 · Structure no. 9211

Built
1957
68 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
155 ft
5 main spans
Daily traffic
1,000
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 65 over Swan River is a concrete continuous slab carrying Mn 65 over Swan River in Itasca County, Minnesota. It was built in 1957, so it is 68 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 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 1,000 vehicles a day, roughly 12% of them trucks, projected to reach 930 by 2039. The structure is 155 ft (47.3 m) long and 53 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesMn 65
CrossesSwan River
Location3.6 MI S of S JCT TH 169
RouteState Highway 65
CountyItasca County
StateMinnesota
Coordinates47.28918, -93.19811
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.7 US tons
Inventory rating52.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length155 ft (47.3 m)
Longest span31 ft (9.5 m)
Deck width53 ft (16.2 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic930 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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 Mn 65 over Swan River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Mn 65 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 2023.

How much traffic does Mn 65 over Swan River carry?

About 1,000 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Mn 65 over Swan River?

The structure is 155 ft (47.3 m) long with a longest span of 31 ft (9.5 m) and a deck 53 ft wide.

Who owns Mn 65 over Swan River?

It is owned by the State Highway Agency.