US Bridges

Nd Highway over E Br Chanta Peta Creek

Fair

Morton County, North Dakota · 5 West of Nd 6 · Structure no. 0021117460

Built
1954
71 years old, rebuilt 1987
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
750
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway over E Br Chanta Peta Creek is a concrete culvert carrying Nd Highway over E Br Chanta Peta Creek in Morton County, North Dakota. It was built in 1954 and reconstructed in 1987, so it is 71 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 5 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 750 vehicles a day, roughly 12% of them trucks, projected to reach 797 by 2039. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 55.9 mi (90 km).

CarriesNd Highway
CrossesE Br Chanta Peta Creek
Location5 West of Nd 6
RouteState Highway 21
Coordinates46.47279, -101.02647
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2019)
Projected traffic797 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nd Highway over E Br Chanta Peta Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1987.

What condition is Nd Highway over E Br Chanta Peta 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 May 2023.

How much traffic does Nd Highway over E Br Chanta Peta Creek carry?

About 750 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is Nd Highway over E Br Chanta Peta Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns Nd Highway over E Br Chanta Peta Creek?

It is owned by the State Highway Agency.