US Bridges

Msas 120 over Coon Creek

Good

Anoka County, Minnesota · 0.01 MI E of JCT TH 10 · Structure no. 02J08

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
990
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 120 over Coon Creek is a concrete culvert carrying Msas 120 over Coon Creek in Anoka County, Minnesota. It was built in 1998, so it is 27 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 990 vehicles a day, projected to reach 2,900 by 2040. The structure is 47 ft (14.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMsas 120
CrossesCoon Creek
Location0.01 MI E of JCT TH 10
RouteCity Street 120
Coordinates45.17602, -93.30189
Functional classUrban 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length47 ft (14.2 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2020)
Projected traffic2,900 by 2040
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Msas 120 over Coon Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Msas 120 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 Msas 120 over Coon Creek carry?

About 990 vehicles per day (2020 count).

How long is Msas 120 over Coon Creek?

The structure is 47 ft (14.2 m) long with a longest span of 12 ft (3.8 m).

Who owns Msas 120 over Coon Creek?

It is owned by the City or Municipal Highway Agency.