US Bridges

Csah 30 over Sand Creek

Good

Pine County, Minnesota · 1.3 MI E of JCT Csah 21 · Structure no. 58J15

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
477
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Sand Creek is a concrete culvert carrying Csah 30 over Sand Creek in Pine County, Minnesota. It was built in 2003, so it is 22 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 477 vehicles a day, projected to reach 460 by 2041. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 30
CrossesSand Creek
Location1.3 MI E of JCT Csah 21
RouteCounty Highway 30
Coordinates46.12838, -92.71372
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2021)
Projected traffic460 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Sand Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Csah 30 over Sand Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Csah 30 over Sand Creek carry?

About 477 vehicles per day (2021 count).

How long is Csah 30 over Sand Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 30 over Sand Creek?

It is owned by the County Highway Agency.