US Bridges

Mn 60 over Straight R RR Street

Fair

Rice County, Minnesota · 0.3 MI W of JCT TH 299 · Structure no. 5370

Built
1937
88 years old, rebuilt 2009
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete Continuous
Length
751 ft
3 main spans
Daily traffic
11,114
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 60 over Straight R RR Street is a concrete continuous arch - deck carrying Mn 60 over Straight R RR Street in Rice County, Minnesota. It was built in 1937 and reconstructed in 2009, so it is 88 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 11,114 vehicles a day, roughly 5% of them trucks, projected to reach 11,600 by 2042. The structure is 751 ft (229 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMn 60
CrossesStraight R RR Street
Location0.3 MI W of JCT TH 299
RouteState Highway 60
Coordinates44.29091, -93.26456
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadH 15
Structure length751 ft (229 m)
Longest span122 ft (37.3 m)
Deck width45 ft (13.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,114 (2022)
Projected traffic11,600 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$7.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 60 over Straight R RR Street built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2009.

What condition is Mn 60 over Straight R RR Street 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 June 2023.

How much traffic does Mn 60 over Straight R RR Street carry?

About 11,114 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mn 60 over Straight R RR Street?

The structure is 751 ft (229 m) long with a longest span of 122 ft (37.3 m) and a deck 45 ft wide.

Who owns Mn 60 over Straight R RR Street?

It is owned by the State Highway Agency.