US Bridges

Csah 44 over Petrel Creek

PoorPosted for load

St. Louis County, Minnesota · 0.2 MI W of JCT CR353 · Structure no. 7706

Built
1938
87 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
375
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 44 over Petrel Creek is a steel stringer/multi-beam or girder carrying Csah 44 over Petrel Creek in St. Louis County, Minnesota. It was built in 1938, so it is 87 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 375 vehicles a day, projected to reach 330 by 2039. The structure is 37 ft (11.2 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 44
CrossesPetrel Creek
Location0.2 MI W of JCT CR353
RouteCounty Highway 44
Coordinates47.35727, -91.84939
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.2 m)
Longest span33 ft (10.2 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2019)
Projected traffic330 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$725 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 44 over Petrel Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Csah 44 over Petrel Creek 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 August 2024.

How much traffic does Csah 44 over Petrel Creek carry?

About 375 vehicles per day (2019 count).

How long is Csah 44 over Petrel Creek?

The structure is 37 ft (11.2 m) long with a longest span of 33 ft (10.2 m) and a deck 24 ft wide.

Who owns Csah 44 over Petrel Creek?

It is owned by the County Highway Agency.