US Bridges

Csah 14 over Coon Creek

Good

Anoka County, Minnesota · 0.2 MI N of JCT Csah 14 · Structure no. 02J57

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
87 ft
3 main spans
Daily traffic
15,591
2024 count
Owner
County
County Highway Agency

About this bridge

Csah 14 over Coon Creek is a concrete culvert carrying Csah 14 over Coon Creek in Anoka County, Minnesota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,591 vehicles a day, projected to reach 17,226 by 2044. The structure is 87 ft (26.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 14
CrossesCoon Creek
Location0.2 MI N of JCT Csah 14
RouteCounty Highway 18
Coordinates45.201, -93.33253
Functional classUrban Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 spans3
Design loadHL 93
Structure length87 ft (26.5 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,591 (2024)
Projected traffic17,226 by 2044
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 14 over Coon Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 14 over Coon 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 2024.

How much traffic does Csah 14 over Coon Creek carry?

About 15,591 vehicles per day (2024 count).

How long is Csah 14 over Coon Creek?

The structure is 87 ft (26.5 m) long with a longest span of 25 ft (7.6 m).

Who owns Csah 14 over Coon Creek?

It is owned by the County Highway Agency.