US Bridges

Csah 15 over Yellow Bank River

Fair

Lac qui Parle County, Minnesota · 0.5 MI N of JCT Csah 40 · Structure no. 37539

Built
1992
33 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
124 ft
3 main spans
Daily traffic
220
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Yellow Bank River is a prestressed concrete tee beam carrying Csah 15 over Yellow Bank River in Lac qui Parle County, Minnesota. It was built in 1992, so it is 33 years old, younger 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.

It carries about 220 vehicles a day, projected to reach 220 by 2039. The structure is 124 ft (37.8 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 15
CrossesYellow Bank River
Location0.5 MI N of JCT Csah 40
RouteCounty Highway 15
Coordinates45.23552, -96.33987
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.1 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length124 ft (37.8 m)
Longest span41 ft (12.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2016)
Projected traffic220 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 15 over Yellow Bank River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Csah 15 over Yellow Bank 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 August 2023.

How much traffic does Csah 15 over Yellow Bank River carry?

About 220 vehicles per day (2016 count).

How long is Csah 15 over Yellow Bank River?

The structure is 124 ft (37.8 m) long with a longest span of 41 ft (12.6 m) and a deck 40 ft wide.

Who owns Csah 15 over Yellow Bank River?

It is owned by the County Highway Agency.