US Bridges

Csah 46 over Heath Creek

Fair

Rice County, Minnesota · 0.3 MI S of JCT CR 59 · Structure no. 6363

Built
1947
78 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,700
2008 count
Owner
County
County Highway Agency

About this bridge

Csah 46 over Heath Creek is a concrete culvert carrying Csah 46 over Heath Creek in Rice County, Minnesota. It was built in 1947, so it is 78 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 5 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 1,700 vehicles a day, projected to reach 1,650 by 2029. The structure is 26 ft (8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 46
CrossesHeath Creek
Location0.3 MI S of JCT CR 59
RouteCounty Highway 46
CountyRice County
StateMinnesota
Coordinates44.44912, -93.30231
Functional classRural Major 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 loadUnknown
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2008)
Projected traffic1,650 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 46 over Heath Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Csah 46 over Heath 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 May 2023.

How much traffic does Csah 46 over Heath Creek carry?

About 1,700 vehicles per day (2008 count).

How long is Csah 46 over Heath Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 46 over Heath Creek?

It is owned by the County Highway Agency.