US Bridges

Csah 4 over Stream

Good

Wabasha County, Minnesota · 3.2 MI SE of JCT TH 60 · Structure no. 97846

Built
1997
28 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
770
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Stream is a concrete culvert carrying Csah 4 over Stream in Wabasha County, Minnesota. It was built in 1997, so it is 28 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 770 vehicles a day, projected to reach 620 by 2038. The structure is 30 ft (9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 4
CrossesStream
Location3.2 MI SE of JCT TH 60
RouteCounty Highway 4
Coordinates44.29598, -92.20181
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 inspectionOctober 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 rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2018)
Projected traffic620 by 2038
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 4 over Stream built?

It was built in 1997, making it 28 years old in 2025.

What condition is Csah 4 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 October 2022.

How much traffic does Csah 4 over Stream carry?

About 770 vehicles per day (2018 count).

How long is Csah 4 over Stream?

The structure is 30 ft (9 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 4 over Stream?

It is owned by the County Highway Agency.