US Bridges

T 209 over Sand Hill River

PoorPosted for load

Polk County, Minnesota · 0.1 MI S of JCT CR 232 · Structure no. L7522

Built
1925
100 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
3 main spans
Daily traffic
8
1973 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 209 over Sand Hill River is a steel stringer/multi-beam or girder carrying T 209 over Sand Hill River in Polk County, Minnesota. It was built in 1925, so it is 100 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 8 vehicles a day, projected to reach 8 by 2029. The structure is 79 ft (24 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 209
CrossesSand Hill River
Location0.1 MI S of JCT CR 232
RouteCounty Highway 209
Coordinates47.54176, -96.61187
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating16.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length79 ft (24 m)
Longest span31 ft (9.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (1973)
Projected traffic8 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 209 over Sand Hill River built?

It was built in 1925, making it 100 years old in 2025.

What condition is T 209 over Sand Hill River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does T 209 over Sand Hill River carry?

About 8 vehicles per day (1973 count).

How long is T 209 over Sand Hill River?

The structure is 79 ft (24 m) long with a longest span of 31 ft (9.4 m) and a deck 20 ft wide.

Who owns T 209 over Sand Hill River?

It is owned by the Town or Township Highway Agency.