US Bridges

US 10 over BNSF Rr; Csah 52

Fair

Morrison County, Minnesota · 2.2 MI W of JCT TH 371 · Structure no. 49011

Built
1974
51 years old, rebuilt 2007
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
394 ft
4 main spans
Daily traffic
4,300
2017 count
Owner
State
State Highway Agency

About this bridge

US 10 over BNSF Rr; Csah 52 is a steel continuous stringer/multi-beam or girder carrying US 10 over BNSF Rr; Csah 52 in Morrison County, Minnesota. It was built in 1974 and reconstructed in 2007, so it is 51 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 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 4,300 vehicles a day, roughly 10% of them trucks, projected to reach 4,300 by 2039. The structure is 394 ft (120 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 10
CrossesBNSF Rr; Csah 52
Location2.2 MI W of JCT TH 371
RouteU.S. Route 10
Coordinates46.00081, -94.38496
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length394 ft (120 m)
Longest span117 ft (35.8 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2017)
Projected traffic4,300 by 2039
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 US 10 over BNSF Rr; Csah 52 built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2007.

What condition is US 10 over BNSF Rr; Csah 52 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 July 2024.

How much traffic does US 10 over BNSF Rr; Csah 52 carry?

About 4,300 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is US 10 over BNSF Rr; Csah 52?

The structure is 394 ft (120 m) long with a longest span of 117 ft (35.8 m) and a deck 44 ft wide.

Who owns US 10 over BNSF Rr; Csah 52?

It is owned by the State Highway Agency.