US Bridges

Csah 1 over Stream

FairPosted for load

Lincoln County, Minnesota · 0.4 MI S of JCT Csah 20 · Structure no. 92465

Built
1963
62 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
251
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Stream is a steel stringer/multi-beam or girder carrying Csah 1 over Stream in Lincoln County, Minnesota. It was built in 1963, so it is 62 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 251 vehicles a day, projected to reach 265 by 2042. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesStream
Location0.4 MI S of JCT Csah 20
RouteCounty Highway 1
CountyLincoln County
StateMinnesota
Coordinates44.61169, -96.41923
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.6 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic251 (2022)
Projected traffic265 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1 over Stream built?

It was built in 1963, making it 62 years old in 2025.

What condition is Csah 1 over Stream 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 August 2023.

How much traffic does Csah 1 over Stream carry?

About 251 vehicles per day (2022 count).

How long is Csah 1 over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.2 m) and a deck 32 ft wide.

Who owns Csah 1 over Stream?

It is owned by the County Highway Agency.