US Bridges

CR 547 over Stream

Fair

St. Louis County, Minnesota · 0.2 MI W of JCT Csah 44 · Structure no. 69568

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
53
2021 count
Owner
County
County Highway Agency

About this bridge

CR 547 over Stream is a prestressed concrete tee beam carrying CR 547 over Stream in St. Louis County, Minnesota. It was built in 1986, so it is 39 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 53 vehicles a day, projected to reach 70 by 2041. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 547
CrossesStream
Location0.2 MI W of JCT Csah 44
RouteCounty Highway 547
Coordinates47.28482, -91.8466
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.7 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2021)
Projected traffic70 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Stream built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 547 over Stream 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 August 2024.

How much traffic does CR 547 over Stream carry?

About 53 vehicles per day (2021 count).

How long is CR 547 over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns CR 547 over Stream?

It is owned by the County Highway Agency.