US Bridges

Csah 16 over Stream

Fair

Nobles County, Minnesota · 1.8 MI W of JCT TH 91 · Structure no. 91752

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
395
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 1977, so it is 48 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 395 vehicles a day, projected to reach 400 by 2039. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 16
CrossesStream
Location1.8 MI W of JCT TH 91
RouteCounty Highway 16
Coordinates43.74628, -95.96671
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 inspectionOctober 2024
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2019)
Projected traffic400 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 16 over Stream built?

It was built in 1977, making it 48 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 395 vehicles per day (2019 count).

How long is Csah 16 over Stream?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3 m).

Who owns Csah 16 over Stream?

It is owned by the County Highway Agency.