US Bridges

33rd Street over Little Knife River

Good

Morton County, North Dakota · 2 North 1 West of Hebron · Structure no. 000000030101033

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
53 ft
3 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

33rd Street over Little Knife River is a concrete culvert carrying 33rd Street over Little Knife River in Morton County, North Dakota. It was built in 2022, so it is 3 years old, younger than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 31% of them trucks, projected to reach 163 by 2042. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries33rd Street
CrossesLittle Knife River
Location2 North 1 West of Hebron
RouteCounty Highway 3004
Coordinates46.93496, -102.08724
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic163 by 2042
Trucks31%
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

OwnerCounty Highway Agency
Maintained byCounty 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 33rd Street over Little Knife River built?

It was built in 2022, making it 3 years old in 2025.

What condition is 33rd Street over Little Knife 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 November 2024.

How much traffic does 33rd Street over Little Knife River carry?

About 110 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is 33rd Street over Little Knife River?

The structure is 53 ft (16.2 m) long with a longest span of 16 ft (4.9 m).

Who owns 33rd Street over Little Knife River?

It is owned by the County Highway Agency.