US Bridges

Mn 65 over Swan River

Good

Aitkin County, Minnesota · 0.6 MI N of N JCT TH 200 · Structure no. 96338

Built
1986
39 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
1,167
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 65 over Swan River is a concrete culvert carrying Mn 65 over Swan River in Aitkin County, Minnesota. It was built in 1986, so it is 39 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,167 vehicles a day, roughly 10% of them trucks, projected to reach 1,250 by 2042. The structure is 46 ft (14 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesMn 65
CrossesSwan River
Location0.6 MI N of N JCT TH 200
RouteState Highway 65
Coordinates47.01223, -93.25549
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,167 (2022)
Projected traffic1,250 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 1986, making it 39 years old in 2025.

What condition is Mn 65 over Swan River 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 April 2024.

How much traffic does Mn 65 over Swan River carry?

About 1,167 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Mn 65 over Swan River?

The structure is 46 ft (14 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 65 over Swan River?

It is owned by the State Highway Agency.