US Bridges

T 153 over Swan River

FairPosted for load

Morrison County, Minnesota · 0.1 MI S of JCT Csah 12 · Structure no. 49527

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
108 ft
4 main spans
Daily traffic
30
1985 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 153 over Swan River is a wood or timber slab carrying T 153 over Swan River in Morrison County, Minnesota. It was built in 1981, so it is 44 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2029. The structure is 108 ft (32.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT 153
CrossesSwan River
Location0.1 MI S of JCT Csah 12
RouteCounty Highway 153
CountyMorrison County
StateMinnesota
Coordinates45.90561, -94.49356
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1985)
Projected traffic30 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 153 over Swan River built?

It was built in 1981, making it 44 years old in 2025.

What condition is T 153 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 November 2023.

How much traffic does T 153 over Swan River carry?

About 30 vehicles per day (1985 count).

How long is T 153 over Swan River?

The structure is 108 ft (32.9 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns T 153 over Swan River?

It is owned by the Town or Township Highway Agency.