US Bridges

Csah 33 over I 35

Fair

Pine County, Minnesota · 5.7 MI N of N JCT TH 23 · Structure no. 58809

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
4 main spans
Daily traffic
111
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 33 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying Csah 33 over I 35 in Pine County, Minnesota. It was built in 1964, so it is 61 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 111 vehicles a day, projected to reach 95 by 2041. The structure is 210 ft (63.9 m) long and 33 ft wide.

CarriesCsah 33
CrossesI 35
Location5.7 MI N of N JCT TH 23
RouteCounty Highway 33
Coordinates46.25916, -92.82526
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.7 US tons
Inventory rating33.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length210 ft (63.9 m)
Longest span67 ft (20.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2021)
Projected traffic95 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 33 over I 35 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Csah 33 over I 35 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Csah 33 over I 35 carry?

About 111 vehicles per day (2021 count).

How long is Csah 33 over I 35?

The structure is 210 ft (63.9 m) long with a longest span of 67 ft (20.4 m) and a deck 33 ft wide.

Who owns Csah 33 over I 35?

It is owned by the State Highway Agency.