US Bridges

Irrfb Nd Hway 1804 over Deep Water Creek

Fair

McLean County, North Dakota · 1 South of N.D. 37 West · Structure no. 1804213097

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

Irrfb Nd Hway 1804 over Deep Water Creek is a prestressed concrete box beam or girders - single or spread carrying Irrfb Nd Hway 1804 over Deep Water Creek in McLean County, North Dakota. It was built in 1979, so it is 46 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 20% of them trucks, projected to reach 100 by 2039. The structure is 81 ft (24.7 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesIrrfb Nd Hway 1804
CrossesDeep Water Creek
Location1 South of N.D. 37 West
RouteState Highway 1804
Coordinates47.7378, -102.1077
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span78 ft (23.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic100 by 2039
Trucks20%
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

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 Irrfb Nd Hway 1804 over Deep Water Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Irrfb Nd Hway 1804 over Deep Water Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Irrfb Nd Hway 1804 over Deep Water Creek carry?

About 100 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Irrfb Nd Hway 1804 over Deep Water Creek?

The structure is 81 ft (24.7 m) long with a longest span of 78 ft (23.8 m) and a deck 34 ft wide.

Who owns Irrfb Nd Hway 1804 over Deep Water Creek?

It is owned by the State Highway Agency.