US Bridges

T 164 over Swan River

Good

Morrison County, Minnesota · 0.6 MI S of JCT TH 28 · Structure no. 49J07

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
45
1997 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 164 over Swan River is a concrete culvert carrying T 164 over Swan River in Morrison County, Minnesota. It was built in 1997, so it is 28 years old, younger 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 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 45 vehicles a day, projected to reach 45 by 2029. The structure is 46 ft (14.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 164
CrossesSwan River
Location0.6 MI S of JCT TH 28
RouteCounty Highway 164
Coordinates45.94251, -94.61839
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length46 ft (14.1 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 traffic45 (1997)
Projected traffic45 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 164 over Swan River built?

It was built in 1997, making it 28 years old in 2025.

What condition is T 164 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 October 2024.

How much traffic does T 164 over Swan River carry?

About 45 vehicles per day (1997 count).

How long is T 164 over Swan River?

The structure is 46 ft (14.1 m) long with a longest span of 12 ft (3.7 m).

Who owns T 164 over Swan River?

It is owned by the Town or Township Highway Agency.