US Bridges

T 43 over CO Ditch # 4

Good

Red Lake County, Minnesota · 1.9 MI S of JCT Csah 16 · Structure no. L2939

Built
1981
44 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
20
1981 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 43 over CO Ditch # 4 is a concrete culvert carrying T 43 over CO Ditch # 4 in Red Lake County, Minnesota. It was built in 1981, so it is 44 years old, older 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 20 vehicles a day, projected to reach 20 by 2029. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 43
CrossesCO Ditch # 4
Location1.9 MI S of JCT Csah 16
RouteCounty Highway 43
Coordinates47.76094, -96.05304
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 inspectionSeptember 2024
Inspection intervalevery 24 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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length33 ft (10.2 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 traffic20 (1981)
Projected traffic20 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 43 over CO Ditch # 4 built?

It was built in 1981, making it 44 years old in 2025.

What condition is T 43 over CO Ditch # 4 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 September 2024.

How much traffic does T 43 over CO Ditch # 4 carry?

About 20 vehicles per day (1981 count).

How long is T 43 over CO Ditch # 4?

The structure is 33 ft (10.2 m) long with a longest span of 12 ft (3.7 m).

Who owns T 43 over CO Ditch # 4?

It is owned by the Town or Township Highway Agency.