US Bridges

T 772 over Sand Hill River

Good

Polk County, Minnesota · 0.9 MI S of JCT Csah 1 · Structure no. 60J16

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
36
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 772 over Sand Hill River is a concrete culvert carrying T 772 over Sand Hill River in Polk County, Minnesota. It was built in 1998, so it is 27 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 36 vehicles a day, projected to reach 36 by 2029. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 772
CrossesSand Hill River
Location0.9 MI S of JCT Csah 1
RouteCounty Highway 772
Coordinates47.53088, -95.91768
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (1973)
Projected traffic36 by 2029
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

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 772 over Sand Hill River built?

It was built in 1998, making it 27 years old in 2025.

What condition is T 772 over Sand Hill 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 772 over Sand Hill River carry?

About 36 vehicles per day (1973 count).

How long is T 772 over Sand Hill River?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns T 772 over Sand Hill River?

It is owned by the Town or Township Highway Agency.