US Bridges

Csah 16 over Stream

Fair

Nobles County, Minnesota · 1.4 MI W of JCT Csah 15 · Structure no. L3352

Built
1948
77 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
900
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 16 over Stream is a concrete culvert carrying Csah 16 over Stream in Nobles County, Minnesota. It was built in 1948, so it is 77 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 900 vehicles a day, projected to reach 950 by 2039. The structure is 39 ft (12 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 16
CrossesStream
Location1.4 MI W of JCT Csah 15
RouteCounty Highway 16
CountyNobles County
StateMinnesota
Coordinates43.76192, -95.89777
Functional classRural Minor Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (12 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2019)
Projected traffic950 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$271 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Stream built?

It was built in 1948, making it 77 years old in 2025.

What condition is Csah 16 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 October 2024.

How much traffic does Csah 16 over Stream carry?

About 900 vehicles per day (2019 count).

How long is Csah 16 over Stream?

The structure is 39 ft (12 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 16 over Stream?

It is owned by the County Highway Agency.