US Bridges

Csah 15 over Sacred Heart Creek

Fair

Renville County, Minnesota · 0.6 MI E of JCT CR 61 · Structure no. 65515

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
115
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Sacred Heart Creek is a prestressed concrete channel beam carrying Csah 15 over Sacred Heart Creek in Renville County, Minnesota. It was built in 1969, so it is 56 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 115 vehicles a day, projected to reach 95 by 2039. The structure is 93 ft (28.4 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 15
CrossesSacred Heart Creek
Location0.6 MI E of JCT CR 61
RouteCounty Highway 15
Coordinates44.67039, -95.24554
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.3 US tons
Inventory rating33.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length93 ft (28.4 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2019)
Projected traffic95 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 15 over Sacred Heart Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Csah 15 over Sacred Heart 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 September 2023.

How much traffic does Csah 15 over Sacred Heart Creek carry?

About 115 vehicles per day (2019 count).

How long is Csah 15 over Sacred Heart Creek?

The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Csah 15 over Sacred Heart Creek?

It is owned by the County Highway Agency.