US Bridges

Csah 23 over I 35W

Good

Anoka County, Minnesota · 5.0 MI SW JCT TH 35E · Structure no. 02817

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
284 ft
2 main spans
Daily traffic
19,900
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 23 over I 35W is a prestressed concrete stringer/multi-beam or girder carrying Csah 23 over I 35W in Anoka County, Minnesota. It was built in 2008, so it is 17 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 19,900 vehicles a day, roughly 6% of them trucks, projected to reach 19,700 by 2039. The structure is 284 ft (86.6 m) long and 118 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 23
CrossesI 35W
Location5.0 MI SW JCT TH 35E
RouteCounty Highway 23
Coordinates45.18018, -93.11296
Functional classUrban Other Principal 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.8 US tons
Inventory rating45.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length284 ft (86.6 m)
Longest span134 ft (40.7 m)
Deck width118 ft (36.1 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,900 (2019)
Projected traffic19,700 by 2039
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 23 over I 35W built?

It was built in 2008, making it 17 years old in 2025.

What condition is Csah 23 over I 35W 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 23 over I 35W carry?

About 19,900 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Csah 23 over I 35W?

The structure is 284 ft (86.6 m) long with a longest span of 134 ft (40.7 m) and a deck 118 ft wide.

Who owns Csah 23 over I 35W?

It is owned by the State Highway Agency.