US Bridges

Csah 31 over Stream

Good

Rice County, Minnesota · 0.7 MI E of JCT Csah 42 · Structure no. 66542

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
2,900
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 31 over Stream is a concrete continuous slab carrying Csah 31 over Stream in Rice County, Minnesota. It was built in 2005, so it is 20 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 2,900 vehicles a day, projected to reach 2,900 by 2039. The structure is 73 ft (22.4 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 31
CrossesStream
Location0.7 MI E of JCT Csah 42
RouteCounty Highway 31
Coordinates44.407, -93.04568
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.6 US tons
Inventory rating49.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length73 ft (22.4 m)
Longest span27 ft (8.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2016)
Projected traffic2,900 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 31 over Stream built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 31 over Stream 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 May 2023.

How much traffic does Csah 31 over Stream carry?

About 2,900 vehicles per day (2016 count).

How long is Csah 31 over Stream?

The structure is 73 ft (22.4 m) long with a longest span of 27 ft (8.2 m) and a deck 47 ft wide.

Who owns Csah 31 over Stream?

It is owned by the County Highway Agency.