US Bridges

Mn 29 over Mn 55; Railroad

Fair

Pope County, Minnesota · At JCT Mn 55 · Structure no. 61006

Built
2022
3 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
459 ft
4 main spans
Daily traffic
6,000
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 29 over Mn 55; Railroad is a prestressed concrete stringer/multi-beam or girder carrying Mn 29 over Mn 55; Railroad in Pope County, Minnesota. It was built in 2022, so it is 3 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 6,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,860 by 2041. The structure is 459 ft (140 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMn 29
CrossesMn 55; Railroad
LocationAt JCT Mn 55
RouteState Highway 29
Coordinates45.676, -95.38646
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 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 alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length459 ft (140 m)
Longest span156 ft (47.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2019)
Projected traffic8,860 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mn 29 over Mn 55; Railroad built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mn 29 over Mn 55; Railroad 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 2024.

How much traffic does Mn 29 over Mn 55; Railroad carry?

About 6,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Mn 29 over Mn 55; Railroad?

The structure is 459 ft (140 m) long with a longest span of 156 ft (47.5 m) and a deck 43 ft wide.

Who owns Mn 29 over Mn 55; Railroad?

It is owned by the State Highway Agency.