US Bridges

Csah 9 over Snake River

Good

Pine County, Minnesota · 2.1 MI N of JCT Csah 8 · Structure no. 58560

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
298 ft
3 main spans
Daily traffic
1,380
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Snake River is a prestressed concrete stringer/multi-beam or girder carrying Csah 9 over Snake River in Pine County, Minnesota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,380 vehicles a day, roughly 8% of them trucks, projected to reach 1,630 by 2042. The structure is 298 ft (90.8 m) long and 43 ft wide.

CarriesCsah 9
CrossesSnake River
Location2.1 MI N of JCT Csah 8
RouteCounty Highway 9
Coordinates45.83949, -92.9364
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length298 ft (90.8 m)
Longest span135 ft (41.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,380 (2022)
Projected traffic1,630 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 9 over Snake River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Csah 9 over Snake River 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 9 over Snake River carry?

About 1,380 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Csah 9 over Snake River?

The structure is 298 ft (90.8 m) long with a longest span of 135 ft (41.1 m) and a deck 43 ft wide.

Who owns Csah 9 over Snake River?

It is owned by the County Highway Agency.