US Bridges

Csah 30 over Goose Creek

Fair

Chisago County, Minnesota · In Harris · Structure no. 8748

Built
1950
75 years old
Condition
Fair
inspected September 2022
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
2,294
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Goose Creek is a concrete culvert carrying Csah 30 over Goose Creek in Chisago 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 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 2,294 vehicles a day, roughly 4% of them trucks, projected to reach 2,950 by 2042. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCsah 30
CrossesGoose Creek
LocationIn Harris
RouteCounty Highway 30
CountyChisago County
StateMinnesota
Coordinates45.58823, -92.97447
Functional classRural Minor Arterial

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 inspectionSeptember 2022
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 rating81.5 US tons
Inventory rating62.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,294 (2022)
Projected traffic2,950 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$86 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 30 over Goose Creek built?

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

What condition is Csah 30 over Goose 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 September 2022.

How much traffic does Csah 30 over Goose Creek carry?

About 2,294 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Csah 30 over Goose Creek?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 30 over Goose Creek?

It is owned by the County Highway Agency.