US Bridges

US 169 over ST

Fair

Itasca County, Minnesota · 0.3 MI E of JCT TH 65 · Structure no. 31022S

Built
1976
49 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,002 ft
10 main spans
Daily traffic
2,850
2019 count
Owner
State
State Highway Agency

About this bridge

US 169 over ST is a prestressed concrete stringer/multi-beam or girder carrying US 169 over ST 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 2,850 vehicles a day, roughly 4% of them trucks, projected to reach 3,000 by 2039. The structure is 1,002 ft (305.3 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 169
CrossesST
Location0.3 MI E of JCT TH 65
RouteU.S. Route 169
CountyItasca County
StateMinnesota
Coordinates47.37108, -93.16656
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating79.9 US tons
Inventory rating31.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,002 ft (305.3 m)
Longest span109 ft (33.3 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2019)
Projected traffic3,000 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 ST built?

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

What condition is US 169 over ST 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 ST carry?

About 2,850 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is US 169 over ST?

The structure is 1,002 ft (305.3 m) long with a longest span of 109 ft (33.3 m) and a deck 44 ft wide.

Who owns US 169 over ST?

It is owned by the State Highway Agency.