US Bridges

Csah 18 over E Fk Lac Qui Parle River

GoodPosted for load

Lincoln County, Minnesota · 1.6 MI W of JCT Csah 4 · Structure no. 41509

Built
1978
47 years old
Condition
Good
inspected June 2024
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
22
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 18 over E Fk Lac Qui Parle River is a wood or timber slab carrying Csah 18 over E Fk Lac Qui Parle River in Lincoln County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, projected to reach 30 by 2042. The structure is 78 ft (23.8 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 18
CrossesE Fk Lac Qui Parle River
Location1.6 MI W of JCT Csah 4
RouteCounty Highway 18
Coordinates44.54382, -96.37354
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.1 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span26 ft (7.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2022)
Projected traffic30 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 18 over E Fk Lac Qui Parle River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 18 over E Fk Lac Qui Parle River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Csah 18 over E Fk Lac Qui Parle River carry?

About 22 vehicles per day (2022 count).

How long is Csah 18 over E Fk Lac Qui Parle River?

The structure is 78 ft (23.8 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.

Who owns Csah 18 over E Fk Lac Qui Parle River?

It is owned by the County Highway Agency.