US Bridges

CR 52 over Coon Creek

Good

Anoka County, Minnesota · 1.0 MI N of JCT CR 116 · Structure no. 02533

Built
1983
42 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
4,929
2022 count
Owner
County
County Highway Agency

About this bridge

CR 52 over Coon Creek is a prestressed concrete stringer/multi-beam or girder carrying CR 52 over Coon Creek in Anoka County, Minnesota. It was built in 1983, so it is 42 years old, older 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 4,929 vehicles a day, roughly 4% of them trucks, projected to reach 5,100 by 2042. The structure is 68 ft (20.7 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 52
CrossesCoon Creek
Location1.0 MI N of JCT CR 116
RouteCounty Highway 52
Coordinates45.23411, -93.21427
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,929 (2022)
Projected traffic5,100 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 52 over Coon Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is CR 52 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 2023.

How much traffic does CR 52 over Coon Creek carry?

About 4,929 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is CR 52 over Coon Creek?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns CR 52 over Coon Creek?

It is owned by the County Highway Agency.