US Bridges

US 52 over N Br Root River

Fair

Fillmore County, Minnesota · 3.5 MI S of JCT TH 74 · Structure no. 23011

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
333 ft
3 main spans
Daily traffic
4,193
2022 count
Owner
State
State Highway Agency

About this bridge

US 52 over N Br Root River is a prestressed concrete stringer/multi-beam or girder carrying US 52 over N Br Root River in Fillmore County, Minnesota. It was built in 1987, so it is 38 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 4,193 vehicles a day, roughly 10% of them trucks, projected to reach 4,750 by 2042. The structure is 333 ft (101.5 m) long and 50 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesUS 52
CrossesN Br Root River
Location3.5 MI S of JCT TH 74
RouteU.S. Route 52
Coordinates43.81771, -92.13969
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length333 ft (101.5 m)
Longest span110 ft (33.6 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,193 (2022)
Projected traffic4,750 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 52 over N Br Root River built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 52 over N Br Root River 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 2024.

How much traffic does US 52 over N Br Root River carry?

About 4,193 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US 52 over N Br Root River?

The structure is 333 ft (101.5 m) long with a longest span of 110 ft (33.6 m) and a deck 50 ft wide.

Who owns US 52 over N Br Root River?

It is owned by the State Highway Agency.