US Bridges

County Road 81 over Creek

Good

Morton County, North Dakota · 3 North 3 East ST Anthony · Structure no. 000000030160222

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
30
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 81 over Creek is a concrete culvert carrying County Road 81 over Creek in Morton County, North Dakota. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 30 by 2038. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty Road 81
CrossesCreek
Location3 North 3 East ST Anthony
RouteCounty Highway 0
Coordinates46.66641, -100.83699
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2018)
Projected traffic30 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$98,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 81 over Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Road 81 over 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 April 2023.

How much traffic does County Road 81 over Creek carry?

About 30 vehicles per day (2018 count).

How long is County Road 81 over Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns County Road 81 over Creek?

It is owned by the County Highway Agency.