US Bridges

Mn 169 over Wudri Creek

Good

St. Louis County, Minnesota · 5.0 MI NE of N JCT TH 53 · Structure no. 5191A

Built
1931
94 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
5,600
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 169 over Wudri Creek is a concrete culvert carrying Mn 169 over Wudri Creek in St. Louis County, Minnesota. It was built in 1931, so it is 94 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,600 vehicles a day, roughly 9% of them trucks, projected to reach 5,700 by 2039. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMn 169
CrossesWudri Creek
Location5.0 MI NE of N JCT TH 53
RouteState Highway 169
Coordinates47.62107, -92.44828
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2019)
Projected traffic5,700 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$21 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 169 over Wudri Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Mn 169 over Wudri Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Mn 169 over Wudri Creek carry?

About 5,600 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Mn 169 over Wudri Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m).

Who owns Mn 169 over Wudri Creek?

It is owned by the State Highway Agency.