US Bridges

Valley Road over Big Muddy Creek

Fair

Morton County, North Dakota · 3 East 3 South of Almont · Structure no. 000000030132210

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
24
2018 count
Owner
County
County Highway Agency

About this bridge

Valley Road over Big Muddy Creek is a prestressed concrete tee beam carrying Valley Road over Big Muddy Creek in Morton County, North Dakota. It was built in 1975, so it is 50 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 6 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 2038. The structure is 126 ft (38.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesValley Road
CrossesBig Muddy Creek
Location3 East 3 South of Almont
RouteCounty Highway 0
CountyMorton County
StateNorth Dakota
Coordinates46.67997, -101.44184
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating23.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadH 20
Structure length126 ft (38.4 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2018)
Projected traffic24 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 Valley Road over Big Muddy Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Valley Road over Big Muddy 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 Valley Road over Big Muddy Creek carry?

About 24 vehicles per day (2018 count).

How long is Valley Road over Big Muddy Creek?

The structure is 126 ft (38.4 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns Valley Road over Big Muddy Creek?

It is owned by the County Highway Agency.