US Bridges

Csah 32 over Miller Creek

Good

St. Louis County, Minnesota · 0.1 MI E of JCT Csah 17 · Structure no. 97523

Built
1994
31 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
14,000
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 32 over Miller Creek is a concrete culvert carrying Csah 32 over Miller Creek in St. Louis County, Minnesota. It was built in 1994, so it is 31 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 14,000 vehicles a day, projected to reach 13,700 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 32
CrossesMiller Creek
Location0.1 MI E of JCT Csah 17
RouteCounty Highway 32
Coordinates46.82212, -92.17841
Functional classUrban Minor Arterial

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 2024
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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2019)
Projected traffic13,700 by 2039
Trucks—
Lanes on structure4
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 32 over Miller Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Csah 32 over Miller 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 November 2024.

How much traffic does Csah 32 over Miller Creek carry?

About 14,000 vehicles per day (2019 count).

How long is Csah 32 over Miller Creek?

The structure is 29 ft (8.8 m) long with a longest span of 10 ft (3.1 m).

Who owns Csah 32 over Miller Creek?

It is owned by the County Highway Agency.