US Bridges

Csah 36 over Pierz Lake Channel

Good

Morrison County, Minnesota · 0.6 MI SE of JCT TH 27 · Structure no. 92632

Built
1969
56 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
560
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 36 over Pierz Lake Channel is a concrete culvert carrying Csah 36 over Pierz Lake Channel in Morrison County, Minnesota. It was built in 1969, so it is 56 years old, older 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 560 vehicles a day, roughly 3% of them trucks, projected to reach 520 by 2040. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 36
CrossesPierz Lake Channel
Location0.6 MI SE of JCT TH 27
RouteCounty Highway 36
Coordinates45.96228, -94.16284
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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2020)
Projected traffic520 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 36 over Pierz Lake Channel built?

It was built in 1969, making it 56 years old in 2025.

What condition is Csah 36 over Pierz Lake Channel 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 November 2022.

How much traffic does Csah 36 over Pierz Lake Channel carry?

About 560 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Csah 36 over Pierz Lake Channel?

The structure is 31 ft (9.4 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 36 over Pierz Lake Channel?

It is owned by the County Highway Agency.