US Bridges

Undetermined RD over Mud Creek

FairPosted for load

St. Louis County, Minnesota · 2.2 MI N of JCT CR 408 · Structure no. R0879

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
1
2021 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Undetermined RD over Mud Creek is a steel stringer/multi-beam or girder carrying Undetermined RD over Mud Creek in St. Louis County, Minnesota. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 1 vehicles a day, projected to reach 1 by 2041. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

Open in Google Maps
CarriesUndetermined RD
CrossesMud Creek
Location2.2 MI N of JCT CR 408
RouteState Lands Road 0
CountySt. Louis County
StateMinnesota
Coordinates47.87639, -92.08327
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.9 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2021)
Projected traffic1 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Undetermined RD over Mud Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Undetermined RD over Mud Creek 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 Undetermined RD over Mud Creek carry?

About 1 vehicles per day (2021 count).

How long is Undetermined RD over Mud Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 16 ft wide.

Who owns Undetermined RD over Mud Creek?

It is owned by the State Park, Forest, or Reservation Agency.