US Bridges

Csah 9 over Cedar Creek

Good

Isanti County, Minnesota · 0.9 MI W of JCT CR 45 · Structure no. 30J08

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,650
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Cedar Creek is a concrete culvert carrying Csah 9 over Cedar Creek in Isanti County, Minnesota. It was built in 2016, so it is 9 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,650 vehicles a day, projected to reach 1,650 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCsah 9
CrossesCedar Creek
Location0.9 MI W of JCT CR 45
RouteCounty Highway 9
Coordinates45.45758, -93.18346
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.9 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 traffic1,650 (2016)
Projected traffic1,650 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Cedar Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Csah 9 over Cedar 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 2023.

How much traffic does Csah 9 over Cedar Creek carry?

About 1,650 vehicles per day (2016 count).

How long is Csah 9 over Cedar Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 9 over Cedar Creek?

It is owned by the County Highway Agency.