US Bridges

US 169 over Dm;ir RY

Poor

St. Louis County, Minnesota · 3.7 MI S of N JCT TH 73 · Structure no. 69002

Built
1961
64 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
148 ft
3 main spans
Daily traffic
12,432
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Dm;ir RY is a steel continuous stringer/multi-beam or girder carrying US 169 over Dm;ir RY in St. Louis County, Minnesota. It was built in 1961, so it is 64 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 12,432 vehicles a day, roughly 7% of them trucks, projected to reach 15,100 by 2042. The structure is 148 ft (45.1 m) long and 68 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUS 169
CrossesDm;ir RY
Location3.7 MI S of N JCT TH 73
RouteU.S. Route 169
CountySt. Louis County
StateMinnesota
Coordinates47.445, -92.88758
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.6 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length148 ft (45.1 m)
Longest span54 ft (16.4 m)
Deck width68 ft (20.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,432 (2022)
Projected traffic15,100 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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$789 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 169 over Dm;ir RY built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 169 over Dm;ir RY in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does US 169 over Dm;ir RY carry?

About 12,432 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US 169 over Dm;ir RY?

The structure is 148 ft (45.1 m) long with a longest span of 54 ft (16.4 m) and a deck 68 ft wide.

Who owns US 169 over Dm;ir RY?

It is owned by the State Highway Agency.