US Bridges

Csah 52 over Whiteface River

Fair

St. Louis County, Minnesota · 1.6 MI W of JCT TH53 · Structure no. 7182

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Girder and Floorbeam System
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
465
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 52 over Whiteface River is a concrete continuous girder and floorbeam system carrying Csah 52 over Whiteface River in St. Louis County, Minnesota. It was built in 1958, so it is 67 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 465 vehicles a day, projected to reach 530 by 2039. The structure is 134 ft (40.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 52
CrossesWhiteface River
Location1.6 MI W of JCT TH53
RouteCounty Highway 52
Coordinates47.16899, -92.51086
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
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating55.3 US tons
Inventory rating33.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length134 ft (40.9 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic465 (2019)
Projected traffic530 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$471 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 52 over Whiteface River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Csah 52 over Whiteface River 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 2024.

How much traffic does Csah 52 over Whiteface River carry?

About 465 vehicles per day (2019 count).

How long is Csah 52 over Whiteface River?

The structure is 134 ft (40.9 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Csah 52 over Whiteface River?

It is owned by the County Highway Agency.