US Bridges

Csah 33 over Coon Creek

Good

Norman County, Minnesota · 1.9 MI W of JCT TH 32 · Structure no. 54531

Built
1980
45 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
62
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 33 over Coon Creek is a prestressed concrete tee beam carrying Csah 33 over Coon Creek in Norman County, Minnesota. It was built in 1980, so it is 45 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 62 vehicles a day, projected to reach 80 by 2041. The structure is 79 ft (24 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 33
CrossesCoon Creek
Location1.9 MI W of JCT TH 32
RouteCounty Highway 33
Coordinates47.22375, -96.29997
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length79 ft (24 m)
Longest span39 ft (11.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2021)
Projected traffic80 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 33 over Coon Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Csah 33 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 July 2023.

How much traffic does Csah 33 over Coon Creek carry?

About 62 vehicles per day (2021 count).

How long is Csah 33 over Coon Creek?

The structure is 79 ft (24 m) long with a longest span of 39 ft (11.8 m) and a deck 35 ft wide.

Who owns Csah 33 over Coon Creek?

It is owned by the County Highway Agency.