US Bridges

County Road over Downing Creek

FairPosted for load

McHenry County, North Dakota · 1 East of Velva · Structure no. 000000025107400

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
355
2018 count
Owner
County
County Highway Agency

About this bridge

County Road over Downing Creek is a concrete channel beam carrying County Road over Downing Creek in McHenry County, North Dakota. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 355 vehicles a day, roughly 10% of them trucks, projected to reach 650 by 2038. The structure is 31 ft (9.6 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road
CrossesDowning Creek
Location1 East of Velva
RouteCounty Highway 2540
Coordinates48.05531, -100.91428
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.9 US tons
Inventory rating22.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (2018)
Projected traffic650 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Road over Downing Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is County Road over Downing 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 2024.

How much traffic does County Road over Downing Creek carry?

About 355 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is County Road over Downing Creek?

The structure is 31 ft (9.6 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns County Road over Downing Creek?

It is owned by the County Highway Agency.