US Bridges

Nd Highway 22 over Murphy Creek

Good

Dunn County, North Dakota · 3 South of Killdeer · Structure no. 0022101569

Built
1986
39 years old, rebuilt 2015
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
1,630
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 22 over Murphy Creek is a concrete culvert carrying Nd Highway 22 over Murphy Creek in Dunn County, North Dakota. It was built in 1986 and reconstructed in 2015, so it is 39 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 1,630 vehicles a day, roughly 10% of them trucks, projected to reach 1,570 by 2039. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 42.3 mi (68 km).

CarriesNd Highway 22
CrossesMurphy Creek
Location3 South of Killdeer
RouteState Highway 22
Coordinates47.31481, -102.75782
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating99.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,630 (2019)
Projected traffic1,570 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 22 over Murphy Creek built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2015.

What condition is Nd Highway 22 over Murphy 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 September 2022.

How much traffic does Nd Highway 22 over Murphy Creek carry?

About 1,630 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Nd Highway 22 over Murphy Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns Nd Highway 22 over Murphy Creek?

It is owned by the State Highway Agency.