US Bridges

Mn 120 over I 694

Fair

Ramsey County, Minnesota · At the JCT TH 120; 694 · Structure no. 62827

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
15,500
2017 count
Owner
State
State Highway Agency

About this bridge

Mn 120 over I 694 is a prestressed concrete stringer/multi-beam or girder carrying Mn 120 over I 694 in Ramsey 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 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 15,500 vehicles a day, roughly 2% of them trucks, projected to reach 15,500 by 2037. The structure is 178 ft (54.3 m) long and 85 ft wide.

CarriesMn 120
CrossesI 694
LocationAt the JCT TH 120; 694
RouteState Highway 120
Coordinates45.03417, -92.98483
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.8 US tons
Inventory rating28.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span87 ft (26.5 m)
Deck width85 ft (25.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2017)
Projected traffic15,500 by 2037
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Mn 120 over I 694 built?

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

What condition is Mn 120 over I 694 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 Mn 120 over I 694 carry?

About 15,500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Mn 120 over I 694?

The structure is 178 ft (54.3 m) long with a longest span of 87 ft (26.5 m) and a deck 85 ft wide.

Who owns Mn 120 over I 694?

It is owned by the State Highway Agency.