US Bridges

Msas 103 over I 494

Fair

Dakota County, Minnesota · 0.4 MI E of JCT TH 52 · Structure no. 19837

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
5,200
2017 count
Owner
State
State Highway Agency

About this bridge

Msas 103 over I 494 is a steel continuous stringer/multi-beam or girder carrying Msas 103 over I 494 in Dakota County, Minnesota. It was built in 1983, so it is 42 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 5,200 vehicles a day, projected to reach 5,200 by 2039. The structure is 254 ft (77.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMsas 103
CrossesI 494
Location0.4 MI E of JCT TH 52
RouteCity Street 103
CountyDakota County
StateMinnesota
Coordinates44.87479, -93.05264
Functional classUrban Local

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.
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 inspectionSeptember 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.5 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length254 ft (77.3 m)
Longest span128 ft (39 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2017)
Projected traffic5,200 by 2039
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 Msas 103 over I 494 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Msas 103 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 September 2023.

How much traffic does Msas 103 over I 494 carry?

About 5,200 vehicles per day (2017 count).

How long is Msas 103 over I 494?

The structure is 254 ft (77.3 m) long with a longest span of 128 ft (39 m) and a deck 56 ft wide.

Who owns Msas 103 over I 494?

It is owned by the State Highway Agency.