US Bridges

T 330 over Ditch # 40

Fair

Clay County, Minnesota · 1.0 MI N of JCT TH 75 · Structure no. L0538

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
14
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 330 over Ditch # 40 is a steel culvert carrying T 330 over Ditch # 40 in Clay County, Minnesota. It was built in 1974, so it is 51 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 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 14 vehicles a day, projected to reach 14 by 2029. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 330
CrossesDitch # 40
Location1.0 MI N of JCT TH 75
RouteCounty Highway 330
Coordinates46.74708, -96.75751
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (1986)
Projected traffic14 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 330 over Ditch # 40 built?

It was built in 1974, making it 51 years old in 2025.

What condition is T 330 over Ditch # 40 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 330 over Ditch # 40 carry?

About 14 vehicles per day (1986 count).

How long is T 330 over Ditch # 40?

The structure is 27 ft (8.1 m) long with a longest span of 10 ft (3.1 m).

Who owns T 330 over Ditch # 40?

It is owned by the Town or Township Highway Agency.