US Bridges

M 340 over Union Pacific RR Yard

Fair

Dakota County, Minnesota · 0.1 MI E JCT of Concord S · Structure no. 19544

Built
2003
22 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
318 ft
3 main spans
Daily traffic
300
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 340 over Union Pacific RR Yard is a prestressed concrete stringer/multi-beam or girder carrying M 340 over Union Pacific RR Yard in Dakota 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 300 vehicles a day, projected to reach 300 by 2029. The structure is 318 ft (96.8 m) long and 29 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

Open in Google Maps
CarriesM 340
CrossesUnion Pacific RR Yard
Location0.1 MI E JCT of Concord S
RouteCity Street 340
CountyDakota County
StateMinnesota
Coordinates44.90631, -93.04575
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating81 US tons
Inventory rating45.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length318 ft (96.8 m)
Longest span155 ft (47.3 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2003)
Projected traffic300 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was M 340 over Union Pacific RR Yard built?

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

What condition is M 340 over Union Pacific RR Yard 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 August 2024.

How much traffic does M 340 over Union Pacific RR Yard carry?

About 300 vehicles per day (2003 count).

How long is M 340 over Union Pacific RR Yard?

The structure is 318 ft (96.8 m) long with a longest span of 155 ft (47.3 m) and a deck 29 ft wide.

Who owns M 340 over Union Pacific RR Yard?

It is owned by the City or Municipal Highway Agency.