US Bridges

Csah 25 over Stream

Fair

St. Louis County, Minnesota · 0.7 MI S of JCT Csah 92 · Structure no. 7687

Built
1944
81 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
680
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Stream is a concrete culvert carrying Csah 25 over Stream in St. Louis County, Minnesota. It was built in 1944, so it is 81 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 680 vehicles a day, projected to reach 580 by 2039. The structure is 26 ft (8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 25
CrossesStream
Location0.7 MI S of JCT Csah 92
RouteCounty Highway 25
CountySt. Louis County
StateMinnesota
Coordinates47.43424, -92.72897
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.6 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (8 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 traffic680 (2019)
Projected traffic580 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$73 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 25 over Stream built?

It was built in 1944, making it 81 years old in 2025.

What condition is Csah 25 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Csah 25 over Stream carry?

About 680 vehicles per day (2019 count).

How long is Csah 25 over Stream?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 25 over Stream?

It is owned by the County Highway Agency.