US Bridges

Csah 19 over I 35

Fair

Chisago County, Minnesota · 8.0 MI S of JCT TH 95 · Structure no. 13802

Built
1967
58 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
4 main spans
Daily traffic
6,600
2017 count
Owner
State
State Highway Agency

About this bridge

Csah 19 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying Csah 19 over I 35 in Chisago County, Minnesota. It was built in 1967, so it is 58 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 5 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 6,600 vehicles a day, projected to reach 6,600 by 2039. The structure is 191 ft (58.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 19
CrossesI 35
Location8.0 MI S of JCT TH 95
RouteCounty Highway 19
CountyChisago County
StateMinnesota
Coordinates45.39689, -92.99484
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span57 ft (17.4 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2017)
Projected traffic6,600 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$321 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 19 over I 35 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Csah 19 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 19 over I 35 carry?

About 6,600 vehicles per day (2017 count).

How long is Csah 19 over I 35?

The structure is 191 ft (58.2 m) long with a longest span of 57 ft (17.4 m) and a deck 36 ft wide.

Who owns Csah 19 over I 35?

It is owned by the State Highway Agency.