US Bridges

Csah 116 over Coon Creek

Good

Anoka County, Minnesota · 0.1 MI E of JCT Csah 16 · Structure no. 02564

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
14,570
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 116 over Coon Creek is a concrete continuous slab carrying Csah 116 over Coon Creek in Anoka County, Minnesota. It was built in 1999, so it is 26 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 14,570 vehicles a day, roughly 10% of them trucks, projected to reach 17,000 by 2041. The structure is 73 ft (22.3 m) long and 106 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 116
CrossesCoon Creek
Location0.1 MI E of JCT Csah 16
RouteCounty Highway 116
Coordinates45.21959, -93.33636
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length73 ft (22.3 m)
Longest span27 ft (8.3 m)
Deck width106 ft (32.3 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,570 (2021)
Projected traffic17,000 by 2041
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 116 over Coon Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Csah 116 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 Csah 116 over Coon Creek carry?

About 14,570 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Csah 116 over Coon Creek?

The structure is 73 ft (22.3 m) long with a longest span of 27 ft (8.3 m) and a deck 106 ft wide.

Who owns Csah 116 over Coon Creek?

It is owned by the County Highway Agency.