US Bridges

County Highway over Stony Creek

Fair

Williams County, North Dakota · 2 South 3 West of Epping · Structure no. 000000053130260

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
250
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Stony Creek is a prestressed concrete tee beam carrying County Highway over Stony Creek in Williams County, North Dakota. It was built in 1980, so it is 45 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 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 250 vehicles a day, roughly 12% of them trucks, projected to reach 140 by 2039. The structure is 33 ft (10.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Highway
CrossesStony Creek
Location2 South 3 West of Epping
RouteCounty Highway 5328
Coordinates48.2557, -103.43114
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating29.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic140 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed5 mi (8 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 Stony Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Highway over Stony 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 over Stony Creek carry?

About 250 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is County Highway over Stony Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns County Highway over Stony Creek?

It is owned by the County Highway Agency.