US Bridges

US 53 over 6th Ave W

Fair

St. Louis County, Minnesota · 1.3 MI SE of JCT TH 169 · Structure no. 69010

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
126 ft
3 main spans
Daily traffic
7,758
2022 count
Owner
State
State Highway Agency

About this bridge

US 53 over 6th Ave W is a steel continuous stringer/multi-beam or girder carrying US 53 over 6th Ave W in St. Louis County, Minnesota. It was built in 1970, so it is 55 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 7,758 vehicles a day, roughly 5% of them trucks, projected to reach 8,700 by 2042. The structure is 126 ft (38.4 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 53
Crosses6th Ave W
Location1.3 MI SE of JCT TH 169
RouteU.S. Route 53
Coordinates47.51006, -92.54119
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span52 ft (15.9 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,758 (2022)
Projected traffic8,700 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 53 over 6th Ave W built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 53 over 6th Ave W 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 US 53 over 6th Ave W carry?

About 7,758 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is US 53 over 6th Ave W?

The structure is 126 ft (38.4 m) long with a longest span of 52 ft (15.9 m) and a deck 45 ft wide.

Who owns US 53 over 6th Ave W?

It is owned by the State Highway Agency.