US Bridges

Mn 9 over S Br Wild Rice River

Fair

Norman County, Minnesota · 1.5 MI S of Borup · Structure no. 54002

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
104 ft
3 main spans
Daily traffic
1,650
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 9 over S Br Wild Rice River is a steel continuous stringer/multi-beam or girder carrying Mn 9 over S Br Wild Rice River in Norman County, Minnesota. It was built in 1979, so it is 46 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 1,650 vehicles a day, roughly 9% of them trucks, projected to reach 1,800 by 2038. The structure is 104 ft (31.8 m) long and 50 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesMn 9
CrossesS Br Wild Rice River
Location1.5 MI S of Borup
RouteState Highway 9
Coordinates47.15849, -96.50088
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.8 m)
Longest span39 ft (11.9 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2018)
Projected traffic1,800 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 Mn 9 over S Br Wild Rice River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Mn 9 over S Br Wild Rice 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 August 2024.

How much traffic does Mn 9 over S Br Wild Rice River carry?

About 1,650 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Mn 9 over S Br Wild Rice River?

The structure is 104 ft (31.8 m) long with a longest span of 39 ft (11.9 m) and a deck 50 ft wide.

Who owns Mn 9 over S Br Wild Rice River?

It is owned by the State Highway Agency.