US Bridges

Csah 31 over Moccasin Creek

Good

Norman County, Minnesota · 0.3 MI W of JCT Csah 36 · Structure no. 89728

Built
1954
71 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
330
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 31 over Moccasin Creek is a concrete culvert carrying Csah 31 over Moccasin Creek in Norman County, Minnesota. It was built in 1954, so it is 71 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 330 vehicles a day, projected to reach 330 by 2039. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 31
CrossesMoccasin Creek
Location0.3 MI W of JCT Csah 36
RouteCounty Highway 31
Coordinates47.23819, -96.17852
Functional classRural Major 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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal 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 loadUnknown
Structure length23 ft (6.9 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 traffic330 (2016)
Projected traffic330 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$477 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 31 over Moccasin Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Csah 31 over Moccasin 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 31 over Moccasin Creek carry?

About 330 vehicles per day (2016 count).

How long is Csah 31 over Moccasin Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Csah 31 over Moccasin Creek?

It is owned by the County Highway Agency.