US Bridges

Csah 8 over Stream

Good

Itasca County, Minnesota · 3.3 MI NW of JCT Csah 57 · Structure no. 31560

Built
2009
16 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
480
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Csah 8 over Stream in Itasca County, Minnesota. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 480 vehicles a day, projected to reach 480 by 2039. The structure is 53 ft (16.3 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 8
CrossesStream
Location3.3 MI NW of JCT Csah 57
RouteCounty Highway 8
Coordinates47.44554, -93.30556
Functional classRural Minor 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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating35.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.3 m)
Longest span52 ft (15.9 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2017)
Projected traffic480 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 8 over Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is Csah 8 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 May 2023.

How much traffic does Csah 8 over Stream carry?

About 480 vehicles per day (2017 count).

How long is Csah 8 over Stream?

The structure is 53 ft (16.3 m) long with a longest span of 52 ft (15.9 m) and a deck 39 ft wide.

Who owns Csah 8 over Stream?

It is owned by the County Highway Agency.