US Bridges

Csah 78 over Heath Creek

Poor

Rice County, Minnesota · 1.4 MI SW of JCT TH 19 · Structure no. 88048

Built
1955
70 years old
Condition
Poor
inspected April 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
2,850
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 78 over Heath Creek is a steel culvert carrying Csah 78 over Heath Creek in Rice County, Minnesota. It was built in 1955, so it is 70 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,850 vehicles a day, projected to reach 2,850 by 2039. The structure is 30 ft (9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 78
CrossesHeath Creek
Location1.4 MI SW of JCT TH 19
RouteCounty Highway 78
Coordinates44.44683, -93.18761
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2016)
Projected traffic2,850 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 78 over Heath Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Csah 78 over Heath Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Csah 78 over Heath Creek carry?

About 2,850 vehicles per day (2016 count).

How long is Csah 78 over Heath Creek?

The structure is 30 ft (9 m) long with a longest span of 13 ft (4 m).

Who owns Csah 78 over Heath Creek?

It is owned by the County Highway Agency.