US Bridges

Csah 52 over Birch Creek

Good

Pine County, Minnesota · 1.1 MI SE of JCT Csah 40 · Structure no. 58J24

Built
2008
17 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
50
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 52 over Birch Creek is a concrete culvert carrying Csah 52 over Birch Creek in Pine County, Minnesota. It was built in 2008, so it is 17 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 50 by 2039. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 52
CrossesBirch Creek
Location1.1 MI SE of JCT Csah 40
RouteCounty Highway 52
Coordinates46.35712, -92.93858
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length46 ft (13.9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2012)
Projected traffic50 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 52 over Birch Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Csah 52 over Birch Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2021.

How much traffic does Csah 52 over Birch Creek carry?

About 50 vehicles per day (2012 count).

How long is Csah 52 over Birch Creek?

The structure is 46 ft (13.9 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 52 over Birch Creek?

It is owned by the County Highway Agency.