US Bridges

Csah 17 over I 35

Good

Chisago County, Minnesota · 4.2 MI S of JCT TH 95 · Structure no. 13519

Built
2006
19 years old
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete
Length
211 ft
2 main spans
Daily traffic
3,117
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 17 over I 35 is a prestressed concrete slab carrying Csah 17 over I 35 in Chisago County, Minnesota. It was built in 2006, so it is 19 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 3,117 vehicles a day, projected to reach 3,350 by 2042. The structure is 211 ft (64.3 m) long and 80 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 17
CrossesI 35
Location4.2 MI S of JCT TH 95
RouteCounty Highway 17
Coordinates45.451, -92.98938
Functional classRural Major Collector

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 inspectionMay 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 rating84.5 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length211 ft (64.3 m)
Longest span108 ft (32.9 m)
Deck width80 ft (24.5 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,117 (2022)
Projected traffic3,350 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed8.7 mi (14 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 17 over I 35 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Csah 17 over I 35 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 May 2024.

How much traffic does Csah 17 over I 35 carry?

About 3,117 vehicles per day (2022 count).

How long is Csah 17 over I 35?

The structure is 211 ft (64.3 m) long with a longest span of 108 ft (32.9 m) and a deck 80 ft wide.

Who owns Csah 17 over I 35?

It is owned by the State Highway Agency.