Csah 92 over Stream

Fair

St. Louis County, Minnesota · 1.4 MI W of JCT Csah 25 · Structure no. 92858

Built: 1964; 61 years old
Condition: Fair; inspected July 2023
Type: Culvert; Steel
Length: 36 ft; 4 main spans
Daily traffic: 300; 2019 count
Owner: County; County Highway Agency

About this bridge

Csah 92 over Stream is a steel culvert carrying Csah 92 over Stream in St. Louis County, Minnesota. It was built in 1964, so it is 61 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 5 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 300 vehicles a day, projected to reach 305 by 2039. The structure is 36 ft (11 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCsah 92

CrossesStream

Location1.4 MI W of JCT Csah 25

RouteCounty Highway 92

CountySt. Louis County

StateMinnesota

Coordinates47.44375, -92.75444

Functional classRural Minor Collector

Condition and inspection

Fair

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

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionJuly 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating39.6 US tons

Inventory rating32.4 US tons

Structure

Structure typeCulvert

MaterialSteel

DeckNot applicable

Main spans4

Design loadH 20

Structure length36 ft (11 m)

Longest span7 ft (2.1 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)

Projected traffic305 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—

NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 92 over Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 92 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 92 over Stream carry?

About 300 vehicles per day (2019 count).

How long is Csah 92 over Stream?

The structure is 36 ft (11 m) long with a longest span of 7 ft (2.1 m).

Who owns Csah 92 over Stream?

It is owned by the County Highway Agency.