US Bridges

CR 225 over Swan River

PoorPosted for load

Morrison County, Minnesota · 0.2 MI S of JCT Csah 12 · Structure no. 49508

Built
1966
59 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
54 ft
3 main spans
Daily traffic
106
2022 count
Owner
County
County Highway Agency

About this bridge

CR 225 over Swan River is a wood or timber slab carrying CR 225 over Swan River in Morrison County, Minnesota. It was built in 1966, so it is 59 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 106 vehicles a day, roughly 7% of them trucks, projected to reach 105 by 2042. The structure is 54 ft (16.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 225
CrossesSwan River
Location0.2 MI S of JCT Csah 12
RouteCounty Highway 225
Coordinates45.91173, -94.54536
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2022)
Projected traffic105 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$650 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 225 over Swan River built?

It was built in 1966, making it 59 years old in 2025.

What condition is CR 225 over Swan River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does CR 225 over Swan River carry?

About 106 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is CR 225 over Swan River?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 32 ft wide.

Who owns CR 225 over Swan River?

It is owned by the County Highway Agency.