US Bridges

T 345 over Little Partridge Creek

Fair

Todd County, Minnesota · 0.3 MI E of JCT TH 71 · Structure no. L9447

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
21
1970 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 345 over Little Partridge Creek is a steel culvert carrying T 345 over Little Partridge Creek in Todd County, Minnesota. It was built in 1973, so it is 52 years old, older 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 5 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 21 vehicles a day, projected to reach 21 by 2029. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 345
CrossesLittle Partridge Creek
Location0.3 MI E of JCT TH 71
RouteCounty Highway 345
Coordinates46.22307, -95.05764
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span7 ft (2.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (1970)
Projected traffic21 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$75 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T 345 over Little Partridge Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is T 345 over Little Partridge Creek 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 August 2023.

How much traffic does T 345 over Little Partridge Creek carry?

About 21 vehicles per day (1970 count).

How long is T 345 over Little Partridge Creek?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.2 m).

Who owns T 345 over Little Partridge Creek?

It is owned by the Town or Township Highway Agency.