US Bridges

Csah 12 over Hay Creek

Fair

Roseau County, Minnesota · 1.3 MI E of JCT Csah 13 · Structure no. 68505

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
94 ft
3 main spans
Daily traffic
332
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Hay Creek is a prestressed concrete channel beam carrying Csah 12 over Hay Creek in Roseau County, Minnesota. It was built in 1965, so it is 60 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 6 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 332 vehicles a day, projected to reach 335 by 2042. The structure is 94 ft (28.5 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 12
CrossesHay Creek
Location1.3 MI E of JCT Csah 13
RouteCounty Highway 12
CountyRoseau County
StateMinnesota
Coordinates48.81859, -95.52199
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.9 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.5 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2022)
Projected traffic335 by 2042
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 12 over Hay Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 12 over Hay 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 October 2024.

How much traffic does Csah 12 over Hay Creek carry?

About 332 vehicles per day (2022 count).

How long is Csah 12 over Hay Creek?

The structure is 94 ft (28.5 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Csah 12 over Hay Creek?

It is owned by the County Highway Agency.