US Bridges

I 694 over Mn 47

Fair

Anoka County, Minnesota · At the JCT TH 47 · Structure no. 02813

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
156 ft
2 main spans
Daily traffic
136,181
2022 count
Owner
State
State Highway Agency

About this bridge

I 694 over Mn 47 is a prestressed concrete stringer/multi-beam or girder carrying I 694 over Mn 47 in Anoka County, Minnesota. It was built in 1988, so it is 37 years old, younger 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 136,181 vehicles a day, roughly 8% of them trucks, projected to reach 141,000 by 2042. The structure is 156 ft (47.6 m) long and 125 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 694
CrossesMn 47
LocationAt the JCT TH 47
RouteInterstate 694
Coordinates45.06874, -93.26334
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating32.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length156 ft (47.6 m)
Longest span76 ft (23.1 m)
Deck width125 ft (38.2 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136,181 (2022)
Projected traffic141,000 by 2042
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 694 over Mn 47 built?

It was built in 1988, making it 37 years old in 2025.

What condition is I 694 over Mn 47 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 July 2023.

How much traffic does I 694 over Mn 47 carry?

About 136,181 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I 694 over Mn 47?

The structure is 156 ft (47.6 m) long with a longest span of 76 ft (23.1 m) and a deck 125 ft wide.

Who owns I 694 over Mn 47?

It is owned by the State Highway Agency.