US Bridges

Csah 9 over Stream

Fair

Waseca County, Minnesota · 0.8 MI W of JCT Csah 29 · Structure no. 81515

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
414
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Stream is a concrete culvert carrying Csah 9 over Stream in Waseca County, Minnesota. It was built in 1973, so it is 52 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 414 vehicles a day, projected to reach 460 by 2041. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 9
CrossesStream
Location0.8 MI W of JCT Csah 29
RouteCounty Highway 9
Coordinates44.02224, -93.62366
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 adequacy4: Meets minimum tolerable limits to be left in place as is
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 spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic414 (2021)
Projected traffic460 by 2041
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 9 over Stream built?

It was built in 1973, making it 52 years old in 2025.

What condition is Csah 9 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 9 over Stream carry?

About 414 vehicles per day (2021 count).

How long is Csah 9 over Stream?

The structure is 28 ft (8.6 m) long with a longest span of 10 ft (2.9 m).

Who owns Csah 9 over Stream?

It is owned by the County Highway Agency.