US Bridges

I 494 over TH 61; Cp; BNSF RR

Fair

Washington County, Minnesota · At the JCT TH 494; 61 · Structure no. 82860

Built
2003
22 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
668 ft
6 main spans
Daily traffic
35,406
2022 count
Owner
State
State Highway Agency

About this bridge

I 494 over TH 61; Cp; BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying I 494 over TH 61; Cp; BNSF RR in Washington County, Minnesota. It was built in 2003, so it is 22 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 35,406 vehicles a day, roughly 17% of them trucks, projected to reach 43,500 by 2042. The structure is 668 ft (203.7 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 494
CrossesTH 61; Cp; BNSF RR
LocationAt the JCT TH 494; 61
RouteInterstate 494
CountyWashington County
StateMinnesota
Coordinates44.88584, -93.00443
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.2 US tons
Inventory rating55.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length668 ft (203.7 m)
Longest span136 ft (41.4 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,406 (2022)
Projected traffic43,500 by 2042
Trucks17%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 494 over TH 61; Cp; BNSF RR built?

It was built in 2003, making it 22 years old in 2025.

What condition is I 494 over TH 61; Cp; BNSF RR 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 September 2023.

How much traffic does I 494 over TH 61; Cp; BNSF RR carry?

About 35,406 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is I 494 over TH 61; Cp; BNSF RR?

The structure is 668 ft (203.7 m) long with a longest span of 136 ft (41.4 m) and a deck 66 ft wide.

Who owns I 494 over TH 61; Cp; BNSF RR?

It is owned by the State Highway Agency.