US Bridges

Nd Highway 49 over Heart Butte Creek

Good

Morton County, North Dakota · 6 South of Glen Ullin · Structure no. 0049061994

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
680
2017 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 49 over Heart Butte Creek is a concrete culvert carrying Nd Highway 49 over Heart Butte Creek in Morton County, North Dakota. It was built in 1988, so it is 37 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 680 vehicles a day, roughly 12% of them trucks, projected to reach 753 by 2037. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesNd Highway 49
CrossesHeart Butte Creek
Location6 South of Glen Ullin
RouteState Highway 49
Coordinates46.73453, -101.86526
Functional classRural Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2017)
Projected traffic753 by 2037
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway 49 over Heart Butte Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nd Highway 49 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 2024.

How much traffic does Nd Highway 49 over Heart Butte Creek carry?

About 680 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is Nd Highway 49 over Heart Butte Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway 49 over Heart Butte Creek?

It is owned by the State Highway Agency.