US Bridges

Mn 55 over N Fk Crow River

Poor

Stearns County, Minnesota · 0.8 MI NW of Paynesville · Structure no. 5545

Built
1937
88 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
168 ft
3 main spans
Daily traffic
3,400
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 55 over N Fk Crow River is a steel stringer/multi-beam or girder carrying Mn 55 over N Fk Crow River in Stearns County, Minnesota. It was built in 1937, so it is 88 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.

It carries about 3,400 vehicles a day, roughly 9% of them trucks, projected to reach 3,400 by 2036. The structure is 168 ft (51.1 m) long and 62 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesMn 55
CrossesN Fk Crow River
Location0.8 MI NW of Paynesville
RouteState Highway 55
Coordinates45.37952, -94.72981
Functional classRural Minor Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.7 US tons
Inventory rating42.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length168 ft (51.1 m)
Longest span43 ft (13 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2016)
Projected traffic3,400 by 2036
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 55 over N Fk Crow River built?

It was built in 1937, making it 88 years old in 2025.

What condition is Mn 55 over N Fk Crow 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 Mn 55 over N Fk Crow River carry?

About 3,400 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Mn 55 over N Fk Crow River?

The structure is 168 ft (51.1 m) long with a longest span of 43 ft (13 m) and a deck 62 ft wide.

Who owns Mn 55 over N Fk Crow River?

It is owned by the State Highway Agency.