US Bridges

Csah 9 over Stream

Poor

Nobles County, Minnesota · 0.1 MI S of JCT Csah 18 · Structure no. L2616

Built
1950
75 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
4 main spans
Daily traffic
330
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Stream is a concrete culvert carrying Csah 9 over Stream in Nobles County, Minnesota. It was built in 1950, so it is 75 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 330 vehicles a day, projected to reach 360 by 2039. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 9
CrossesStream
Location0.1 MI S of JCT Csah 18
RouteCounty Highway 9
Coordinates43.80394, -95.71248
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2019)
Projected traffic360 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$82 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 9 over Stream built?

It was built in 1950, making it 75 years old in 2025.

What condition is Csah 9 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Csah 9 over Stream carry?

About 330 vehicles per day (2019 count).

How long is Csah 9 over Stream?

The structure is 21 ft (6.3 m) long with a longest span of 4 ft (1.2 m).

Who owns Csah 9 over Stream?

It is owned by the County Highway Agency.