US Bridges

I 94 over TH 120

Fair

Ramsey County, Minnesota · At the JCT TH 120; 94 · Structure no. 9143

Built
1962
63 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
168 ft
2 main spans
Daily traffic
31,500
2017 count
Owner
State
State Highway Agency

About this bridge

I 94 over TH 120 is a steel continuous stringer/multi-beam or girder carrying I 94 over TH 120 in Ramsey County, Minnesota. It was built in 1962, so it is 63 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 31,500 vehicles a day, roughly 4% of them trucks, projected to reach 31,500 by 2039. The structure is 168 ft (51.1 m) long and 55 ft wide.

CarriesI 94
CrossesTH 120
LocationAt the JCT TH 120; 94
RouteInterstate 94
Coordinates44.94849, -92.98589
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating65.9 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length168 ft (51.1 m)
Longest span81 ft (24.7 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,500 (2017)
Projected traffic31,500 by 2039
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$196 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 94 over TH 120 built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 94 over TH 120 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 2023.

How much traffic does I 94 over TH 120 carry?

About 31,500 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is I 94 over TH 120?

The structure is 168 ft (51.1 m) long with a longest span of 81 ft (24.7 m) and a deck 55 ft wide.

Who owns I 94 over TH 120?

It is owned by the State Highway Agency.