US Bridges

Csah 30 over Stream

Fair

Wabasha County, Minnesota · 0.3 MI N of JCT CSAH24 · Structure no. 91188

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
2,400
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Stream is a steel culvert carrying Csah 30 over Stream in Wabasha County, Minnesota. It was built in 1964, so it is 61 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 2,400 vehicles a day, projected to reach 2,500 by 2038. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 30
CrossesStream
Location0.3 MI N of JCT CSAH24
RouteCounty Highway 30
Coordinates44.34923, -92.00774
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2018)
Projected traffic2,500 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 30 over Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 30 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 November 2024.

How much traffic does Csah 30 over Stream carry?

About 2,400 vehicles per day (2018 count).

How long is Csah 30 over Stream?

The structure is 21 ft (6.3 m) long with a longest span of 9 ft (2.6 m).

Who owns Csah 30 over Stream?

It is owned by the County Highway Agency.