US Bridges

County Highway 83 over Sweet Briar Creek

Good

Morton County, North Dakota · 1 South of Sweet Briar · Structure no. 000000030145120

Built
1981
44 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
104 ft
2 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway 83 over Sweet Briar Creek is a prestressed concrete box beam or girders - single or spread carrying County Highway 83 over Sweet Briar Creek in Morton County, North Dakota. It was built in 1981, so it is 44 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 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 50 vehicles a day, projected to reach 50 by 2038. The structure is 104 ft (31.7 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCounty Highway 83
CrossesSweet Briar Creek
Location1 South of Sweet Briar
RouteCounty Highway 0
Coordinates46.8165, -101.15437
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating23.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length104 ft (31.7 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic50 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 County Highway 83 over Sweet Briar Creek built?

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

What condition is County Highway 83 over Sweet Briar Creek 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 July 2023.

How much traffic does County Highway 83 over Sweet Briar Creek carry?

About 50 vehicles per day (2018 count).

How long is County Highway 83 over Sweet Briar Creek?

The structure is 104 ft (31.7 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns County Highway 83 over Sweet Briar Creek?

It is owned by the County Highway Agency.