US Bridges

Csah 27 over Coon Creek

Good

Norman County, Minnesota · 0.2 MI W of JCT Csah 28 · Structure no. 93096

Built
1974
51 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
260
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 27 over Coon Creek is a concrete culvert carrying Csah 27 over Coon Creek in Norman County, Minnesota. It was built in 1974, so it is 51 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 260 vehicles a day, projected to reach 260 by 2039. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCsah 27
CrossesCoon Creek
Location0.2 MI W of JCT Csah 28
RouteCounty Highway 27
Coordinates47.26723, -96.34557
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2016)
Projected traffic260 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 27 over Coon Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Csah 27 over Coon Creek 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 November 2023.

How much traffic does Csah 27 over Coon Creek carry?

About 260 vehicles per day (2016 count).

How long is Csah 27 over Coon Creek?

The structure is 38 ft (11.7 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 27 over Coon Creek?

It is owned by the County Highway Agency.