US Bridges

T 64 over Sand Hill River

Fair

Polk County, Minnesota · 1.2 MI E of JCT TH 75 · Structure no. 60540

Built
2000
25 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
15
2000 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 64 over Sand Hill River is a concrete continuous slab carrying T 64 over Sand Hill River in Polk County, Minnesota. It was built in 2000, so it is 25 years old, younger 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 6 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 15 vehicles a day, projected to reach 15 by 2029. The structure is 154 ft (46.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 64
CrossesSand Hill River
Location1.2 MI E of JCT TH 75
RouteCounty Highway 64
Coordinates47.58592, -96.79015
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating84.4 US tons
Inventory rating50.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length154 ft (46.8 m)
Longest span60 ft (18.4 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2000)
Projected traffic15 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 64 over Sand Hill River built?

It was built in 2000, making it 25 years old in 2025.

What condition is T 64 over Sand Hill River 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 October 2023.

How much traffic does T 64 over Sand Hill River carry?

About 15 vehicles per day (2000 count).

How long is T 64 over Sand Hill River?

The structure is 154 ft (46.8 m) long with a longest span of 60 ft (18.4 m) and a deck 34 ft wide.

Who owns T 64 over Sand Hill River?

It is owned by the Town or Township Highway Agency.