US Bridges

Csah 25 over Paavola Creek

Fair

St. Louis County, Minnesota · 2.0 MI S of JCT CSAH82 · Structure no. 7690

Built
1940
85 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
365
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Paavola Creek is a concrete culvert carrying Csah 25 over Paavola Creek in St. Louis County, Minnesota. It was built in 1940, so it is 85 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 365 vehicles a day, projected to reach 330 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 25
CrossesPaavola Creek
Location2.0 MI S of JCT CSAH82
RouteCounty Highway 25
Coordinates47.71637, -92.79272
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating47.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic365 (2019)
Projected traffic330 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$31 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 25 over Paavola Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Csah 25 over Paavola Creek 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 September 2023.

How much traffic does Csah 25 over Paavola Creek carry?

About 365 vehicles per day (2019 count).

How long is Csah 25 over Paavola Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Csah 25 over Paavola Creek?

It is owned by the County Highway Agency.