US Bridges

US 10 over BNSF Rr; Csah 76

Fair

Morrison County, Minnesota · 0.4 MI W of JCT TH 371 · Structure no. 49009

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
271 ft
4 main spans
Daily traffic
11,000
2019 count
Owner
State
State Highway Agency

About this bridge

US 10 over BNSF Rr; Csah 76 is a prestressed concrete stringer/multi-beam or girder carrying US 10 over BNSF Rr; Csah 76 in Morrison County, Minnesota. It was built in 1974, 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 11,000 vehicles a day, roughly 11% of them trucks, projected to reach 10,100 by 2039. The structure is 271 ft (82.7 m) long and 89 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesUS 10
CrossesBNSF Rr; Csah 76
Location0.4 MI W of JCT TH 371
RouteU.S. Route 10
CountyMorrison County
StateMinnesota
Coordinates45.99814, -94.34849
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length271 ft (82.7 m)
Longest span89 ft (27.1 m)
Deck width89 ft (27 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2019)
Projected traffic10,100 by 2039
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.2 mi (10 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 76 built?

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

What condition is US 10 over BNSF Rr; Csah 76 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 US 10 over BNSF Rr; Csah 76 carry?

About 11,000 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is US 10 over BNSF Rr; Csah 76?

The structure is 271 ft (82.7 m) long with a longest span of 89 ft (27.1 m) and a deck 89 ft wide.

Who owns US 10 over BNSF Rr; Csah 76?

It is owned by the State Highway Agency.