US Bridges

15th St. NW over Burnt Creek

Fair

Burleigh County, North Dakota · 6 North 2 West Bismarck · Structure no. 000000008107290

Built
1983
42 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
50
2019 count
Owner
County
County Highway Agency

About this bridge

15th St. NW over Burnt Creek is a prestressed concrete box beam or girders - multiple carrying 15th St. NW over Burnt Creek in Burleigh County, North Dakota. It was built in 1983, so it is 42 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 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 50 vehicles a day, projected to reach 60 by 2039. The structure is 71 ft (21.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries15th St. NW
CrossesBurnt Creek
Location6 North 2 West Bismarck
RouteCounty Highway 0
Coordinates46.91486, -100.81379
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.1 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic60 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 15th St. NW over Burnt Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is 15th St. NW over Burnt 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 July 2023.

How much traffic does 15th St. NW over Burnt Creek carry?

About 50 vehicles per day (2019 count).

How long is 15th St. NW over Burnt Creek?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 31 ft wide.

Who owns 15th St. NW over Burnt Creek?

It is owned by the County Highway Agency.