US Bridges

Csah 7 over Snake River

Fair

Pine County, Minnesota · 0.1 MI E of JCT Csah 53 · Structure no. 58554

Built
2015
10 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
276 ft
3 main spans
Daily traffic
760
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Snake River is a prestressed concrete stringer/multi-beam or girder carrying Csah 7 over Snake River in Pine County, Minnesota. It was built in 2015, so it is 10 years old, younger 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 760 vehicles a day, projected to reach 1,250 by 2040. The structure is 276 ft (84.1 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesSnake River
Location0.1 MI E of JCT Csah 53
RouteCounty Highway 7
CountyPine County
StateMinnesota
Coordinates45.81991, -93.04108
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length276 ft (84.1 m)
Longest span91 ft (27.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2020)
Projected traffic1,250 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 7 over Snake River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Csah 7 over Snake River 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 October 2023.

How much traffic does Csah 7 over Snake River carry?

About 760 vehicles per day (2020 count).

How long is Csah 7 over Snake River?

The structure is 276 ft (84.1 m) long with a longest span of 91 ft (27.8 m) and a deck 43 ft wide.

Who owns Csah 7 over Snake River?

It is owned by the County Highway Agency.