US Bridges

Con 1424 over I 35W NB

Fair

Ramsey County, Minnesota · 0.1 MI NE of JCT TH 36 · Structure no. 9588

Built
1964
61 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
368 ft
4 main spans
Daily traffic
12,611
2022 count
Owner
State
State Highway Agency

About this bridge

Con 1424 over I 35W NB is a concrete continuous box beam or girders - multiple carrying Con 1424 over I 35W NB in Ramsey County, Minnesota. It was built in 1964 and reconstructed in 2008, so it is 61 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 12,611 vehicles a day, projected to reach 7,250 by 2042. The structure is 368 ft (112.2 m) long and 35 ft wide.

CarriesCon 1424
CrossesI 35W NB
Location0.1 MI NE of JCT TH 36
RouteInterstate 1424
Coordinates45.01286, -93.18728
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.
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 inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.1 US tons
Inventory rating57.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length368 ft (112.2 m)
Longest span132 ft (40.2 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,611 (2022)
Projected traffic7,250 by 2042
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Con 1424 over I 35W NB built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2008.

What condition is Con 1424 over I 35W NB 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 April 2024.

How much traffic does Con 1424 over I 35W NB carry?

About 12,611 vehicles per day (2022 count).

How long is Con 1424 over I 35W NB?

The structure is 368 ft (112.2 m) long with a longest span of 132 ft (40.2 m) and a deck 35 ft wide.

Who owns Con 1424 over I 35W NB?

It is owned by the State Highway Agency.