US Bridges

M 47 over Chaska Creek

FairPosted for load

Carver County, Minnesota · 0.2 MI SE of JCT Csah 61 · Structure no. L4966

Built
1939
86 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
26 ft
1 main span
Daily traffic
100
1974 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 47 over Chaska Creek is a steel culvert carrying M 47 over Chaska Creek in Carver County, Minnesota. It was built in 1939, so it is 86 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 100 by 2029. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM 47
CrossesChaska Creek
Location0.2 MI SE of JCT Csah 61
RouteCity Street 47
CountyCarver County
StateMinnesota
Coordinates44.78538, -93.60558
Functional classUrban Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating23.4 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1974)
Projected traffic100 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 M 47 over Chaska Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is M 47 over Chaska Creek 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 August 2023.

How much traffic does M 47 over Chaska Creek carry?

About 100 vehicles per day (1974 count).

How long is M 47 over Chaska Creek?

The structure is 26 ft (7.8 m) long with a longest span of 20 ft (6 m).

Who owns M 47 over Chaska Creek?

It is owned by the City or Municipal Highway Agency.