US Bridges

Csah 71 over Sauk River

Fair

Stearns County, Minnesota · 0.8 MI SE of JCT TH 23 · Structure no. 73533

Built
1980
45 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
3 main spans
Daily traffic
1,800
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 71 over Sauk River is a steel continuous stringer/multi-beam or girder carrying Csah 71 over Sauk River in Stearns County, Minnesota. It was built in 1980, so it is 45 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 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 1,800 vehicles a day, projected to reach 1,800 by 2039. The structure is 253 ft (77 m) long and 45 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 71
CrossesSauk River
Location0.8 MI SE of JCT TH 23
RouteCounty Highway 71
Coordinates45.44001, -94.49574
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.5 US tons
Inventory rating47 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length253 ft (77 m)
Longest span95 ft (29 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic1,800 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 71 over Sauk River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Csah 71 over Sauk 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 January 2024.

How much traffic does Csah 71 over Sauk River carry?

About 1,800 vehicles per day (2017 count).

How long is Csah 71 over Sauk River?

The structure is 253 ft (77 m) long with a longest span of 95 ft (29 m) and a deck 45 ft wide.

Who owns Csah 71 over Sauk River?

It is owned by the County Highway Agency.