US Bridges

Csah 20 over Stream

FairPosted for load

Lincoln County, Minnesota · 0.8 MI E of JCT CR 101 · Structure no. 41503

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
28
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 20 over Stream is a steel stringer/multi-beam or girder carrying Csah 20 over Stream in Lincoln County, Minnesota. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 28 vehicles a day, projected to reach 30 by 2042. The structure is 32 ft (9.9 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCsah 20
CrossesStream
Location0.8 MI E of JCT CR 101
RouteCounty Highway 20
CountyLincoln County
StateMinnesota
Coordinates44.61642, -96.36068
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.8 US tons
Inventory rating20.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length32 ft (9.9 m)
Longest span30 ft (9.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2022)
Projected traffic30 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$219 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 20 over Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is Csah 20 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 June 2023.

How much traffic does Csah 20 over Stream carry?

About 28 vehicles per day (2022 count).

How long is Csah 20 over Stream?

The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.2 m) and a deck 30 ft wide.

Who owns Csah 20 over Stream?

It is owned by the County Highway Agency.