US Bridges

17th Ave over NW Br Cantapeta Creek

PoorPosted for load

Morton County, North Dakota · 3 South 9 West Fort Rice · Structure no. 000000030164350

Built
1971
54 years old
Condition
Poor
inspected May 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

17th Ave over NW Br Cantapeta Creek is a concrete channel beam carrying 17th Ave over NW Br Cantapeta Creek in Morton County, North Dakota. It was built in 1971, so it is 54 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 poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2039. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries17th Ave
CrossesNW Br Cantapeta Creek
Location3 South 9 West Fort Rice
RouteCounty Highway 0
CountyMorton County
StateNorth Dakota
Coordinates46.48281, -100.77562
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic20 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 17th Ave over NW Br Cantapeta Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is 17th Ave over NW Br Cantapeta Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does 17th Ave over NW Br Cantapeta Creek carry?

About 20 vehicles per day (2019 count).

How long is 17th Ave over NW Br Cantapeta Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns 17th Ave over NW Br Cantapeta Creek?

It is owned by the County Highway Agency.