US Bridges

T 357 over Sandy River

Good

Aitkin County, Minnesota · 1.2 MI W of JCT CR 62 · Structure no. 01519

Built
1995
30 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
32
1993 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 357 over Sandy River is a prestressed concrete stringer/multi-beam or girder carrying T 357 over Sandy River in Aitkin County, Minnesota. It was built in 1995, so it is 30 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 32 vehicles a day, projected to reach 32 by 2029. The structure is 69 ft (21 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT 357
CrossesSandy River
Location1.2 MI W of JCT CR 62
RouteCounty Highway 357
Coordinates46.64404, -93.36331
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.9 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length69 ft (21 m)
Longest span66 ft (20 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (1993)
Projected traffic32 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 357 over Sandy River built?

It was built in 1995, making it 30 years old in 2025.

What condition is T 357 over Sandy 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 2024.

How much traffic does T 357 over Sandy River carry?

About 32 vehicles per day (1993 count).

How long is T 357 over Sandy River?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20 m) and a deck 33 ft wide.

Who owns T 357 over Sandy River?

It is owned by the Town or Township Highway Agency.