US Bridges

Csah 63 over I 494

Fair

Dakota County, Minnesota · 2.0 MI E of JCT TH 35E · Structure no. 19831

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
332 ft
2 main spans
Daily traffic
2,803
2021 count
Owner
State
State Highway Agency

About this bridge

Csah 63 over I 494 is a steel continuous stringer/multi-beam or girder carrying Csah 63 over I 494 in Dakota County, Minnesota. It was built in 1985, so it is 40 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 2,803 vehicles a day, projected to reach 4,500 by 2041. The structure is 332 ft (101.2 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 63
CrossesI 494
Location2.0 MI E of JCT TH 35E
RouteCounty Highway 63
CountyDakota County
StateMinnesota
Coordinates44.86117, -93.10596
Functional classUrban Collector

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 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 alignment7: Better than present minimum criteria
Operating rating93.6 US tons
Inventory rating55.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span180 ft (54.9 m)
Deck width54 ft (16.6 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,803 (2021)
Projected traffic4,500 by 2041
Trucks—
Lanes on structure2
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 Csah 63 over I 494 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 63 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 Csah 63 over I 494 carry?

About 2,803 vehicles per day (2021 count).

How long is Csah 63 over I 494?

The structure is 332 ft (101.2 m) long with a longest span of 180 ft (54.9 m) and a deck 54 ft wide.

Who owns Csah 63 over I 494?

It is owned by the State Highway Agency.