US Bridges

25th Ave over Chanta Peta Creek

Good

Morton County, North Dakota · 17 S 2 W of ST Anthony · Structure no. 000000030155421

Built
1979
46 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
102 ft
2 main spans
Daily traffic
15
2019 count
Owner
County
County Highway Agency

About this bridge

25th Ave over Chanta Peta Creek is a prestressed concrete tee beam carrying 25th Ave over Chanta Peta Creek in Morton County, North Dakota. It was built in 1979, so it is 46 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 15 vehicles a day, projected to reach 15 by 2039. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries25th Ave
CrossesChanta Peta Creek
Location17 S 2 W of ST Anthony
RouteCounty Highway 0
Coordinates46.37796, -100.94475
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating34.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadH 20
Structure length102 ft (31.1 m)
Longest span48 ft (14.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2019)
Projected traffic15 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$72,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 25th Ave over Chanta Peta Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 25th Ave over 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 2024.

How much traffic does 25th Ave over Chanta Peta Creek carry?

About 15 vehicles per day (2019 count).

How long is 25th Ave over Chanta Peta Creek?

The structure is 102 ft (31.1 m) long with a longest span of 48 ft (14.6 m) and a deck 26 ft wide.

Who owns 25th Ave over Chanta Peta Creek?

It is owned by the County Highway Agency.