US Bridges

Csah 7 over Whiteface River

Fair

St. Louis County, Minnesota · 1.5 MI S of JCT Csah 52 · Structure no. 69553

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
295
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Whiteface River is a prestressed concrete stringer/multi-beam or girder carrying Csah 7 over Whiteface River in St. Louis County, Minnesota. It was built in 1988, so it is 37 years old, younger 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 295 vehicles a day, projected to reach 290 by 2039. The structure is 105 ft (32.1 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 7
CrossesWhiteface River
Location1.5 MI S of JCT Csah 52
RouteCounty Highway 7
Coordinates47.147, -92.59938
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.5 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32.1 m)
Longest span104 ft (31.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2019)
Projected traffic290 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 7 over Whiteface River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Csah 7 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 June 2024.

How much traffic does Csah 7 over Whiteface River carry?

About 295 vehicles per day (2019 count).

How long is Csah 7 over Whiteface River?

The structure is 105 ft (32.1 m) long with a longest span of 104 ft (31.6 m) and a deck 35 ft wide.

Who owns Csah 7 over Whiteface River?

It is owned by the County Highway Agency.