US Bridges

Csah 3 over N Br Yellow Medicine R

FairPosted for load

Lyon County, Minnesota · 1.5 MI N of JCT Csah 26 · Structure no. 7211

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
102 ft
4 main spans
Daily traffic
420
2014 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over N Br Yellow Medicine R is a wood or timber stringer/multi-beam or girder carrying Csah 3 over N Br Yellow Medicine R in Lyon County, Minnesota. It was built in 1958, so it is 67 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 420 vehicles a day, projected to reach 420 by 2039. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 3
CrossesN Br Yellow Medicine R
Location1.5 MI N of JCT Csah 26
RouteCounty Highway 3
Coordinates44.62345, -95.99185
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.4 US tons
Inventory rating25.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 20
Structure length102 ft (31.1 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2014)
Projected traffic420 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$426 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 3 over N Br Yellow Medicine R built?

It was built in 1958, making it 67 years old in 2025.

What condition is Csah 3 over N Br Yellow Medicine R 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 October 2024.

How much traffic does Csah 3 over N Br Yellow Medicine R carry?

About 420 vehicles per day (2014 count).

How long is Csah 3 over N Br Yellow Medicine R?

The structure is 102 ft (31.1 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns Csah 3 over N Br Yellow Medicine R?

It is owned by the County Highway Agency.