US Bridges

Csah 21 over W Fk Lac Qui Parle River

FairPosted for load

Lac qui Parle County, Minnesota · 0.5 MI S of JCT TH 212 · Structure no. 37504

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Slab
Wood or Timber
Length
130 ft
5 main spans
Daily traffic
60
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 21 over W Fk Lac Qui Parle River is a wood or timber slab carrying Csah 21 over W Fk Lac Qui Parle River in Lac qui Parle County, Minnesota. It was built in 1965, so it is 60 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 60 vehicles a day, projected to reach 60 by 2039. The structure is 130 ft (39.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 21
CrossesW Fk Lac Qui Parle River
Location0.5 MI S of JCT TH 212
RouteCounty Highway 21
CountyLac qui Parle County
StateMinnesota
Coordinates44.92886, -96.13436
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.1 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 20
Structure length130 ft (39.7 m)
Longest span26 ft (8 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2016)
Projected traffic60 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 21 over W Fk Lac Qui Parle River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 21 over W Fk Lac Qui Parle 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 July 2023.

How much traffic does Csah 21 over W Fk Lac Qui Parle River carry?

About 60 vehicles per day (2016 count).

How long is Csah 21 over W Fk Lac Qui Parle River?

The structure is 130 ft (39.7 m) long with a longest span of 26 ft (8 m) and a deck 31 ft wide.

Who owns Csah 21 over W Fk Lac Qui Parle River?

It is owned by the County Highway Agency.