US Bridges

I 35 over Dm;ir RY

Fair

St. Louis County, Minnesota · 1.5 MI SW of W JCT TH 2 · Structure no. 6501

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
25,343
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over Dm;ir RY is a steel continuous stringer/multi-beam or girder carrying I 35 over Dm;ir RY in St. Louis County, Minnesota. It was built in 1949, so it is 76 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.

It carries about 25,343 vehicles a day, roughly 5% of them trucks, projected to reach 28,500 by 2042. The structure is 239 ft (72.7 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 35
CrossesDm;ir RY
Location1.5 MI SW of W JCT TH 2
RouteInterstate 35
Coordinates46.72558, -92.22365
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.2 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length239 ft (72.7 m)
Longest span90 ft (27.4 m)
Deck width79 ft (24 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,343 (2022)
Projected traffic28,500 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 35 over Dm;ir RY built?

It was built in 1949, making it 76 years old in 2025.

What condition is I 35 over Dm;ir RY 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 I 35 over Dm;ir RY carry?

About 25,343 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I 35 over Dm;ir RY?

The structure is 239 ft (72.7 m) long with a longest span of 90 ft (27.4 m) and a deck 79 ft wide.

Who owns I 35 over Dm;ir RY?

It is owned by the State Highway Agency.