US Bridges

County Highway 139 over Creek

Fair

Morton County, North Dakota · 2 North 7 East of Judson · Structure no. 000000030146090

Built
1930
95 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
405
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway 139 over Creek is a concrete culvert carrying County Highway 139 over Creek in Morton County, North Dakota. It was built in 1930, so it is 95 years old, older 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 5 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 405 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway 139
CrossesCreek
Location2 North 7 East of Judson
RouteCounty Highway 3006
Coordinates46.85048, -101.13747
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length26 ft (7.9 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 traffic405 (2018)
Projected traffic450 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Highway 139 over Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is County Highway 139 over 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 July 2023.

How much traffic does County Highway 139 over Creek carry?

About 405 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is County Highway 139 over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns County Highway 139 over Creek?

It is owned by the County Highway Agency.