US Bridges

Ut 904 over Sturgeon River

Good

St. Louis County, Minnesota · 0.5 MI E of JCT TH 73 · Structure no. 69633

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
25
2015 count
Owner
County
County Highway Agency

About this bridge

Ut 904 over Sturgeon River is a prestressed concrete stringer/multi-beam or girder carrying Ut 904 over Sturgeon River in St. Louis County, Minnesota. It was built in 2005, so it is 20 years old, younger 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 25 vehicles a day, projected to reach 25 by 2039. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUt 904
CrossesSturgeon River
Location0.5 MI E of JCT TH 73
RouteCounty Highway 904
CountySt. Louis County
StateMinnesota
Coordinates47.71838, -92.8562
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating109.8 US tons
Inventory rating58.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span119 ft (36.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2015)
Projected traffic25 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ut 904 over Sturgeon River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ut 904 over Sturgeon River 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 October 2023.

How much traffic does Ut 904 over Sturgeon River carry?

About 25 vehicles per day (2015 count).

How long is Ut 904 over Sturgeon River?

The structure is 120 ft (36.6 m) long with a longest span of 119 ft (36.2 m) and a deck 35 ft wide.

Who owns Ut 904 over Sturgeon River?

It is owned by the County Highway Agency.