US Bridges

Csah 52 over Whiteface River

Good

St. Louis County, Minnesota · 0.1 MI W of JCT Csah 15 · Structure no. 69A64

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
380
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 52 over Whiteface River is a prestressed concrete stringer/multi-beam or girder carrying Csah 52 over Whiteface River in St. Louis County, Minnesota. It was built in 2019, so it is 6 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 380 vehicles a day, projected to reach 475 by 2035. The structure is 111 ft (33.7 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 52
CrossesWhiteface River
Location0.1 MI W of JCT Csah 15
RouteCounty Highway 52
Coordinates47.18463, -92.34675
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.7 m)
Longest span108 ft (32.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2015)
Projected traffic475 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 52 over Whiteface River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Csah 52 over Whiteface River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Csah 52 over Whiteface River carry?

About 380 vehicles per day (2015 count).

How long is Csah 52 over Whiteface River?

The structure is 111 ft (33.7 m) long with a longest span of 108 ft (32.9 m) and a deck 35 ft wide.

Who owns Csah 52 over Whiteface River?

It is owned by the County Highway Agency.