US Bridges

County Highway over Intermittent Stream

Good

Traill County, North Dakota · 6 West of Hillsboro · Structure no. 000000049114191

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Intermittent Stream is a steel culvert carrying County Highway over Intermittent Stream in Traill County, North Dakota. It was built in 2017, so it is 8 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 20 vehicles a day, projected to reach 20 by 2039. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesIntermittent Stream
Location6 West of Hillsboro
RouteCounty Highway 0
CountyTraill County
StateNorth Dakota
Coordinates47.39647, -97.18707
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.5 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length20 ft (6.2 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 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$215,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Intermittent Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Highway over Intermittent Stream 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 September 2023.

How much traffic does County Highway over Intermittent Stream carry?

About 20 vehicles per day (2019 count).

How long is County Highway over Intermittent Stream?

The structure is 20 ft (6.2 m) long with a longest span of 9 ft (2.7 m).

Who owns County Highway over Intermittent Stream?

It is owned by the County Highway Agency.