US Bridges

Csah 8 over Coon Creek

Fair

Lincoln County, Minnesota · 1.2 MI N of JCT Csah 13 · Structure no. L1964

Built
1927
98 years old
Condition
Fair
inspected August 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
247
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Coon Creek is a concrete culvert carrying Csah 8 over Coon Creek in Lincoln County, Minnesota. It was built in 1927, so it is 98 years old, older 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 247 vehicles a day, projected to reach 290 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCsah 8
CrossesCoon Creek
Location1.2 MI N of JCT Csah 13
RouteCounty Highway 8
CountyLincoln County
StateMinnesota
Coordinates44.33096, -96.11963
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating30.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247 (2022)
Projected traffic290 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 8 over Coon Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is Csah 8 over Coon Creek 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 2021.

How much traffic does Csah 8 over Coon Creek carry?

About 247 vehicles per day (2022 count).

How long is Csah 8 over Coon Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Csah 8 over Coon Creek?

It is owned by the County Highway Agency.