US Bridges

Csah 9 over US 10

Good

Anoka County, Minnesota · 0.8 MI NW of JCT TH 242 · Structure no. 02552

Built
1989
36 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
177 ft
2 main spans
Daily traffic
32,000
2018 count
Owner
State
State Highway Agency

About this bridge

Csah 9 over US 10 is a prestressed concrete stringer/multi-beam or girder carrying Csah 9 over US 10 in Anoka County, Minnesota. It was built in 1989, so it is 36 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 32,000 vehicles a day, projected to reach 31,500 by 2038. The structure is 177 ft (53.8 m) long and 109 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 9
CrossesUS 10
Location0.8 MI NW of JCT TH 242
RouteCounty Highway 9
Coordinates45.20433, -93.35782
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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length177 ft (53.8 m)
Longest span86 ft (26.2 m)
Deck width109 ft (33.3 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2018)
Projected traffic31,500 by 2038
Trucks—
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 9 over US 10 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Csah 9 over US 10 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 April 2024.

How much traffic does Csah 9 over US 10 carry?

About 32,000 vehicles per day (2018 count).

How long is Csah 9 over US 10?

The structure is 177 ft (53.8 m) long with a longest span of 86 ft (26.2 m) and a deck 109 ft wide.

Who owns Csah 9 over US 10?

It is owned by the State Highway Agency.