US Bridges

CR 547 over Wolf Creek

FairPosted for load

St. Louis County, Minnesota · 7.3 MI E of JCT CSAH4 · Structure no. 7799

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Concrete
Length
41 ft
2 main spans
Daily traffic
25
2011 count
Owner
County
County Highway Agency

About this bridge

CR 547 over Wolf Creek is a concrete girder and floorbeam system carrying CR 547 over Wolf Creek in St. Louis County, Minnesota. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 25 by 2039. The structure is 41 ft (12.4 m) long and 22 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesCR 547
CrossesWolf Creek
Location7.3 MI E of JCT CSAH4
RouteCounty Highway 547
CountySt. Louis County
StateMinnesota
Coordinates47.25631, -91.96445
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span18 ft (5.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2011)
Projected traffic25 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 CR 547 over Wolf Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 547 over Wolf 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 July 2024.

How much traffic does CR 547 over Wolf Creek carry?

About 25 vehicles per day (2011 count).

How long is CR 547 over Wolf Creek?

The structure is 41 ft (12.4 m) long with a longest span of 18 ft (5.6 m) and a deck 22 ft wide.

Who owns CR 547 over Wolf Creek?

It is owned by the County Highway Agency.