US Bridges

County Road 138 over Heart Butte Creek

Good

Morton County, North Dakota · 4 West 5 South Glen Ullin · Structure no. 000000030108160

Built
2002
23 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
96
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 138 over Heart Butte Creek is a concrete culvert carrying County Road 138 over Heart Butte Creek in Morton County, North Dakota. It was built in 2002, so it is 23 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 96 vehicles a day, projected to reach 96 by 2038. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 138
CrossesHeart Butte Creek
Location4 West 5 South Glen Ullin
RouteCounty Highway 3018
CountyMorton County
StateNorth Dakota
Coordinates46.75178, -101.92849
Functional classRural Major Collector

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 inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.6 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 traffic96 (2018)
Projected traffic96 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 County Road 138 over Heart Butte Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 138 over Heart Butte 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 July 2021.

How much traffic does County Road 138 over Heart Butte Creek carry?

About 96 vehicles per day (2018 count).

How long is County Road 138 over Heart Butte Creek?

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

Who owns County Road 138 over Heart Butte Creek?

It is owned by the County Highway Agency.