US Bridges

US 169 over Trail

Fair

Itasca County, Minnesota · 1.8 MI W of JCT Csah 16 · Structure no. 31019

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
4 main spans
Daily traffic
3,650
2019 count
Owner
State
State Highway Agency

About this bridge

US 169 over Trail is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Trail in Itasca County, Minnesota. It was built in 1976, so it is 49 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 5 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 3,650 vehicles a day, roughly 4% of them trucks, projected to reach 3,500 by 2039. The structure is 250 ft (76.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesUS 169
CrossesTrail
Location1.8 MI W of JCT Csah 16
RouteU.S. Route 169
CountyItasca County
StateMinnesota
Coordinates47.38795, -93.10631
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.4 US tons
Inventory rating37.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length250 ft (76.1 m)
Longest span77 ft (23.4 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2019)
Projected traffic3,500 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 169 over Trail built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 169 over Trail 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 2023.

How much traffic does US 169 over Trail carry?

About 3,650 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is US 169 over Trail?

The structure is 250 ft (76.1 m) long with a longest span of 77 ft (23.4 m) and a deck 44 ft wide.

Who owns US 169 over Trail?

It is owned by the State Highway Agency.