US Bridges

Ut 3086 over Ash River

PoorPosted for load

St. Louis County, Minnesota · 2.5 MI E of JCT US 53 · Structure no. R0903

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
44 ft
1 main span
Daily traffic
1
2021 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Ut 3086 over Ash River is a steel girder and floorbeam system carrying Ut 3086 over Ash River in St. Louis County, Minnesota. It was built in 1980, so it is 45 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1 vehicles a day, projected to reach 1 by 2041. The structure is 44 ft (13.4 m) long and 12 ft wide. If it were closed, the detour would be 123 mi (198 km).

CarriesUt 3086
CrossesAsh River
Location2.5 MI E of JCT US 53
RouteCounty Highway 3086
Coordinates48.33522, -92.91604
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating9 US tons
Inventory rating7.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width12 ft (3.7 m)
Roadway width9 ft (2.7 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 Ut 3086 over Ash River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ut 3086 over Ash River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Ut 3086 over Ash River carry?

About 1 vehicles per day (2021 count).

How long is Ut 3086 over Ash River?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 12 ft wide.

Who owns Ut 3086 over Ash River?

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