US Bridges

County Highway over E Fork Little Muddy Crk

Fair

Williams County, North Dakota · 2 West 2 South Alamo · Structure no. 000000053126060

Built
1966
59 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
24
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over E Fork Little Muddy Crk is a concrete channel beam carrying County Highway over E Fork Little Muddy Crk in Williams County, North Dakota. It was built in 1966, so it is 59 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 24 vehicles a day, projected to reach 24 by 2039. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Highway
CrossesE Fork Little Muddy Crk
Location2 West 2 South Alamo
RouteCounty Highway 0
Coordinates48.54675, -103.50649
Functional classRural Local

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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2019)
Projected traffic24 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 E Fork Little Muddy Crk built?

It was built in 1966, making it 59 years old in 2025.

What condition is County Highway over E Fork Little Muddy Crk 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 E Fork Little Muddy Crk carry?

About 24 vehicles per day (2019 count).

How long is County Highway over E Fork Little Muddy Crk?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns County Highway over E Fork Little Muddy Crk?

It is owned by the County Highway Agency.