US Bridges

Csah 16 over Stream

Good

St. Louis County, Minnesota · 0.4 MI E of JCT Csah 57 · Structure no. 69J50

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
996
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Stream is a concrete culvert carrying Csah 16 over Stream in St. Louis 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 996 vehicles a day, roughly 13% of them trucks, projected to reach 960 by 2042. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCsah 16
CrossesStream
Location0.4 MI E of JCT Csah 57
RouteCounty Highway 16
CountySt. Louis County
StateMinnesota
Coordinates47.3716, -92.9297
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length26 ft (7.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic996 (2022)
Projected traffic960 by 2042
Trucks13%
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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Stream built?

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

What condition is Csah 16 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 16 over Stream carry?

About 996 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Csah 16 over Stream?

The structure is 26 ft (7.8 m) long with a longest span of 11 ft (3.4 m).

Who owns Csah 16 over Stream?

It is owned by the County Highway Agency.