US Bridges

Nd Highway 1804 over Horse Head Creek

Good

Emmons County, North Dakota · 11 West of Temvik · Structure no. 1804036432

Built
1985
40 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
210
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 1804 over Horse Head Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway 1804 over Horse Head Creek in Emmons County, North Dakota. It was built in 1985, so it is 40 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 210 vehicles a day, roughly 14% of them trucks, projected to reach 215 by 2039. The structure is 122 ft (37.2 m) long and 35 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesNd Highway 1804
CrossesHorse Head Creek
Location11 West of Temvik
RouteState Highway 1804
Coordinates46.36852, -100.50461
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length122 ft (37.2 m)
Longest span59 ft (18 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2019)
Projected traffic215 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 1804 over Horse Head Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nd Highway 1804 over Horse Head 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 June 2023.

How much traffic does Nd Highway 1804 over Horse Head Creek carry?

About 210 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Nd Highway 1804 over Horse Head Creek?

The structure is 122 ft (37.2 m) long with a longest span of 59 ft (18 m) and a deck 35 ft wide.

Who owns Nd Highway 1804 over Horse Head Creek?

It is owned by the State Highway Agency.