US Bridges

County Highway over Cottonwood Creek

Poor

Williams County, North Dakota · 6 South Grenora · Structure no. 000000053105070

Built
1963
62 years old
Condition
Poor
inspected July 2023
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
205
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Cottonwood Creek is a concrete channel beam carrying County Highway over Cottonwood Creek in Williams County, North Dakota. It was built in 1963, so it is 62 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 205 vehicles a day, roughly 14% of them trucks, projected to reach 250 by 2039. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesCottonwood Creek
Location6 South Grenora
RouteCounty Highway 5305
CountyWilliams County
StateNorth Dakota
Coordinates48.53787, -103.94992
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.7 US tons
Inventory rating38.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2019)
Projected traffic250 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 over Cottonwood Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is County Highway over Cottonwood Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does County Highway over Cottonwood Creek carry?

About 205 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is County Highway over Cottonwood Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns County Highway over Cottonwood Creek?

It is owned by the County Highway Agency.