US Bridges

County Highway over Stony Creek

Poor

Williams County, North Dakota · 1 South Spring Brook · Structure no. 000000053128270

Built
1920
105 years old
Condition
Poor
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
84 ft
2 main spans
Daily traffic
24
2020 count
Owner
County
County Highway Agency

About this bridge

County Highway over Stony Creek is a concrete continuous tee beam carrying County Highway over Stony Creek in Williams County, North Dakota. It was built in 1920, so it is 105 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 24 vehicles a day, projected to reach 24 by 2040. The structure is 84 ft (25.6 m) long and 19 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCounty Highway
CrossesStony Creek
Location1 South Spring Brook
RouteCounty Highway 0
Coordinates48.24128, -103.47126
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 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
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length84 ft (25.6 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2020)
Projected traffic24 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Stony Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is County Highway over Stony 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 Stony Creek carry?

About 24 vehicles per day (2020 count).

How long is County Highway over Stony Creek?

The structure is 84 ft (25.6 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns County Highway over Stony Creek?

It is owned by the County Highway Agency.