US Bridges

Ar 522 over I 494

Fair

Hennepin County, Minnesota · 0.4 MI E of JCT TH 77 · Structure no. 27820

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
174 ft
2 main spans
Daily traffic
22,100
2016 count
Owner
State
State Highway Agency

About this bridge

Ar 522 over I 494 is a steel continuous stringer/multi-beam or girder carrying Ar 522 over I 494 in Hennepin County, Minnesota. It was built in 1989, so it is 36 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 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 22,100 vehicles a day, projected to reach 22,100 by 2039. The structure is 174 ft (53.1 m) long and 124 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAr 522
CrossesI 494
Location0.4 MI E of JCT TH 77
Coordinates44.8622, -93.23767
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length174 ft (53.1 m)
Longest span91 ft (27.6 m)
Deck width124 ft (37.9 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,100 (2016)
Projected traffic22,100 by 2039
Trucks—
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Ar 522 over I 494 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ar 522 over I 494 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 October 2023.

How much traffic does Ar 522 over I 494 carry?

About 22,100 vehicles per day (2016 count).

How long is Ar 522 over I 494?

The structure is 174 ft (53.1 m) long with a longest span of 91 ft (27.6 m) and a deck 124 ft wide.

Who owns Ar 522 over I 494?

It is owned by the State Highway Agency.