US Bridges

I 35 over Abandoned City ST

Fair

St. Louis County, Minnesota · 1.2 MI N of W JCT TH 2 · Structure no. 69852

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
347 ft
5 main spans
Daily traffic
35,500
2019 count
Owner
State
State Highway Agency

About this bridge

I 35 over Abandoned City ST is a prestressed concrete stringer/multi-beam or girder carrying I 35 over Abandoned City ST in St. Louis County, Minnesota. It was built in 1969, so it is 56 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 35,500 vehicles a day, roughly 5% of them trucks, projected to reach 36,000 by 2039. The structure is 347 ft (105.9 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 35
CrossesAbandoned City ST
Location1.2 MI N of W JCT TH 2
RouteInterstate 35
Coordinates46.73863, -92.18009
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length347 ft (105.9 m)
Longest span70 ft (21.3 m)
Deck width87 ft (26.6 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,500 (2019)
Projected traffic36,000 by 2039
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 35 over Abandoned City ST built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 35 over Abandoned City ST 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 Abandoned City ST carry?

About 35,500 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is I 35 over Abandoned City ST?

The structure is 347 ft (105.9 m) long with a longest span of 70 ft (21.3 m) and a deck 87 ft wide.

Who owns I 35 over Abandoned City ST?

It is owned by the State Highway Agency.