US Bridges

Csah 15 over Cedar Creek

Good

Aitkin County, Minnesota · 4.4 MI W of Aitkin · Structure no. 01J39

Built
2017
8 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
265
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Cedar Creek is a concrete culvert carrying Csah 15 over Cedar Creek in Aitkin County, Minnesota. It was built in 2017, so it is 8 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 265 vehicles a day, projected to reach 490 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCsah 15
CrossesCedar Creek
Location4.4 MI W of Aitkin
RouteCounty Highway 15
CountyAitkin County
StateMinnesota
Coordinates46.54855, -93.79141
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.1 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 traffic265 (2020)
Projected traffic490 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 15 over Cedar Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Csah 15 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 October 2022.

How much traffic does Csah 15 over Cedar Creek carry?

About 265 vehicles per day (2020 count).

How long is Csah 15 over Cedar Creek?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 15 over Cedar Creek?

It is owned by the County Highway Agency.