US Bridges

Csah 52 over Leaf River

Fair

Otter Tail County, Minnesota · 0.3 MI E of JCT CR 135 · Structure no. 56J15

Built
2002
23 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
62 ft
3 main spans
Daily traffic
990
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 52 over Leaf River is a concrete culvert carrying Csah 52 over Leaf River in Otter Tail County, Minnesota. It was built in 2002, so it is 23 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 990 vehicles a day, projected to reach 940 by 2039. The structure is 62 ft (19 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCsah 52
CrossesLeaf River
Location0.3 MI E of JCT CR 135
RouteCounty Highway 52
CountyOtter Tail County
StateMinnesota
Coordinates46.42703, -95.36113
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 length62 ft (19 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2019)
Projected traffic940 by 2039
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 52 over Leaf River built?

It was built in 2002, making it 23 years old in 2025.

What condition is Csah 52 over Leaf 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 November 2023.

How much traffic does Csah 52 over Leaf River carry?

About 990 vehicles per day (2019 count).

How long is Csah 52 over Leaf River?

The structure is 62 ft (19 m) long with a longest span of 17 ft (5.2 m).

Who owns Csah 52 over Leaf River?

It is owned by the County Highway Agency.