US Bridges

Nd Highway over Br. Chanta Peta Creek

Good

Morton County, North Dakota · 3 East of Flasher · Structure no. 0021109720

Built
1966
59 years old, rebuilt 2016
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
870
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway over Br. Chanta Peta Creek is a concrete culvert carrying Nd Highway over Br. Chanta Peta Creek in Morton County, North Dakota. It was built in 1966 and reconstructed in 2016, so it is 59 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 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 870 vehicles a day, roughly 11% of them trucks, projected to reach 830 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 70.2 mi (113 km).

CarriesNd Highway
CrossesBr. Chanta Peta Creek
Location3 East of Flasher
RouteState Highway 21
Coordinates46.45834, -101.17834
Functional classRural Principal Arterial - Other

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.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2019)
Projected traffic830 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.2 mi (113 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway over Br. Chanta Peta Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2016.

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

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

About 870 vehicles per day (2019 count), of which roughly 11% are trucks.

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

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway over Br. Chanta Peta Creek?

It is owned by the State Highway Agency.