US Bridges

CR 181 over Coon Creek

Good

Norman County, Minnesota · 0.7 MI E of JCT Csah 28 · Structure no. 93242

Built
1977
48 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
22
2021 count
Owner
County
County Highway Agency

About this bridge

CR 181 over Coon Creek is a concrete culvert carrying CR 181 over Coon Creek in Norman County, Minnesota. It was built in 1977, so it is 48 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 22 vehicles a day, projected to reach 25 by 2041. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 181
CrossesCoon Creek
Location0.7 MI E of JCT Csah 28
RouteCounty Highway 181
Coordinates47.25269, -96.32796
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 length39 ft (11.8 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 traffic22 (2021)
Projected traffic25 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CR 181 over Coon Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 181 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 August 2023.

How much traffic does CR 181 over Coon Creek carry?

About 22 vehicles per day (2021 count).

How long is CR 181 over Coon Creek?

The structure is 39 ft (11.8 m) long with a longest span of 14 ft (4.3 m).

Who owns CR 181 over Coon Creek?

It is owned by the County Highway Agency.