US Bridges

Csah 3 over Spunk Creek

FairPosted for load

Stearns County, Minnesota · 0.8 MI N of JCT CR 131 · Structure no. 4881

Built
1929
96 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
1,550
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Spunk Creek is a steel stringer/multi-beam or girder carrying Csah 3 over Spunk Creek in Stearns County, Minnesota. It was built in 1929, so it is 96 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. Its operating status is: posted for load restriction.

It carries about 1,550 vehicles a day, projected to reach 1,550 by 2039. The structure is 42 ft (12.9 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesCsah 3
CrossesSpunk Creek
Location0.8 MI N of JCT CR 131
RouteCounty Highway 3
CountyStearns County
StateMinnesota
Coordinates45.72958, -94.38781
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.9 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2017)
Projected traffic1,550 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$172 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 3 over Spunk Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Csah 3 over Spunk Creek 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 February 2025.

How much traffic does Csah 3 over Spunk Creek carry?

About 1,550 vehicles per day (2017 count).

How long is Csah 3 over Spunk Creek?

The structure is 42 ft (12.9 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns Csah 3 over Spunk Creek?

It is owned by the County Highway Agency.