US Bridges

Interstate 94 over Sweet Briar Creek

Fair

Morton County, North Dakota · 7 East of Nd 31 · Structure no. 0094135167

Built
1964
61 years old
Condition
Fair
inspected April 2021
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
6,600
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 94 over Sweet Briar Creek is a concrete culvert carrying Interstate 94 over Sweet Briar Creek in Morton County, North Dakota. It was built in 1964, so it is 61 years old, older than the North Dakota average of 48.2 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 6,600 vehicles a day, roughly 16% of them trucks, projected to reach 6,600 by 2039. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 94
CrossesSweet Briar Creek
Location7 East of Nd 31
RouteInterstate 94
Coordinates46.86346, -101.25972
Functional classRural Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2019)
Projected traffic6,600 by 2039
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byOther State 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 Interstate 94 over Sweet Briar Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 94 over Sweet Briar 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 April 2021.

How much traffic does Interstate 94 over Sweet Briar Creek carry?

About 6,600 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is Interstate 94 over Sweet Briar Creek?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m).

Who owns Interstate 94 over Sweet Briar Creek?

It is owned by the State Highway Agency and maintained by the Other State Agency.