US Bridges

Csah 13 over Stream

Good

Isanti County, Minnesota · 2.2 Mmi W of JCT TH47 · Structure no. 30512

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
354
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 13 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Csah 13 over Stream in Isanti County, Minnesota. It was built in 2001, so it is 24 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 354 vehicles a day, roughly 8% of them trucks, projected to reach 375 by 2042. The structure is 41 ft (12.6 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 13
CrossesStream
Location2.2 Mmi W of JCT TH47
RouteCounty Highway 13
Coordinates45.66303, -93.4539
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.6 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.6 m)
Longest span40 ft (12.1 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic354 (2022)
Projected traffic375 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 13 over Stream built?

It was built in 2001, making it 24 years old in 2025.

What condition is Csah 13 over Stream 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 September 2024.

How much traffic does Csah 13 over Stream carry?

About 354 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Csah 13 over Stream?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.1 m) and a deck 38 ft wide.

Who owns Csah 13 over Stream?

It is owned by the County Highway Agency.