US Bridges

Csah 29 over Lac Qui Parle River

Good

Yellow Medicine County, Minnesota · 0.5 MI E of JCT TH 68 · Structure no. 87J33

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
54 ft
3 main spans
Daily traffic
41
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 29 over Lac Qui Parle River is a concrete culvert carrying Csah 29 over Lac Qui Parle River in Yellow Medicine County, Minnesota. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 41 vehicles a day, projected to reach 45 by 2041. The structure is 54 ft (16.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 29
CrossesLac Qui Parle River
Location0.5 MI E of JCT TH 68
RouteCounty Highway 29
Coordinates44.68935, -96.23981
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length54 ft (16.6 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2021)
Projected traffic45 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 29 over Lac Qui Parle River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Csah 29 over 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 September 2024.

How much traffic does Csah 29 over Lac Qui Parle River carry?

About 41 vehicles per day (2021 count).

How long is Csah 29 over Lac Qui Parle River?

The structure is 54 ft (16.6 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 29 over Lac Qui Parle River?

It is owned by the County Highway Agency.