US Bridges

Csah 19 over Blue Creek

PoorPosted for load

Otter Tail County, Minnesota · 0.1 MI S of JCT Csah 56 · Structure no. 92517

Built
1952
73 years old
Condition
Poor
inspected October 2024
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
350
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 19 over Blue Creek is a concrete culvert carrying Csah 19 over Blue Creek in Otter Tail County, Minnesota. It was built in 1952, so it is 73 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, projected to reach 325 by 2039. The structure is 36 ft (11 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 19
CrossesBlue Creek
Location0.1 MI S of JCT Csah 56
RouteCounty Highway 19
Coordinates46.54368, -95.23881
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.4 US tons
Inventory rating14.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length36 ft (11 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic325 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$113 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 19 over Blue Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Csah 19 over Blue Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Csah 19 over Blue Creek carry?

About 350 vehicles per day (2019 count).

How long is Csah 19 over Blue Creek?

The structure is 36 ft (11 m) long with a longest span of 6 ft (1.8 m).

Who owns Csah 19 over Blue Creek?

It is owned by the County Highway Agency.