US Bridges

Csah 49 over Sauk River

Fair

Stearns County, Minnesota · 1.0 MI SW of JCT TH 23 · Structure no. 73536

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
3 main spans
Daily traffic
1,050
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 49 over Sauk River is a prestressed concrete stringer/multi-beam or girder carrying Csah 49 over Sauk River in Stearns County, Minnesota. It was built in 1985, so it is 40 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 5 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 1,050 vehicles a day, projected to reach 1,050 by 2039. The structure is 245 ft (74.6 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 49
CrossesSauk River
Location1.0 MI SW of JCT TH 23
RouteCounty Highway 49
Coordinates45.44063, -94.44202
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.2 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length245 ft (74.6 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2017)
Projected traffic1,050 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 49 over Sauk River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 49 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 49 over Sauk River carry?

About 1,050 vehicles per day (2017 count).

How long is Csah 49 over Sauk River?

The structure is 245 ft (74.6 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns Csah 49 over Sauk River?

It is owned by the County Highway Agency.