US Bridges

41st ST over Big Muddy Creek

Good

Morton County, North Dakota · 5 East of Glen Ullin · Structure no. 000000030118110

Built
1992
33 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
60
2018 count
Owner
County
County Highway Agency

About this bridge

41st ST over Big Muddy Creek is a prestressed concrete box beam or girders - single or spread carrying 41st ST over Big Muddy Creek in Morton County, North Dakota. It was built in 1992, so it is 33 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 10 by 2038. The structure is 86 ft (26.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries41st ST
CrossesBig Muddy Creek
Location5 East of Glen Ullin
RouteCounty Highway 0
Coordinates46.81859, -101.72181
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length86 ft (26.2 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2018)
Projected traffic10 by 2038
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 41st ST over Big Muddy Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 41st ST over Big Muddy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does 41st ST over Big Muddy Creek carry?

About 60 vehicles per day (2018 count).

How long is 41st ST over Big Muddy Creek?

The structure is 86 ft (26.2 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns 41st ST over Big Muddy Creek?

It is owned by the County Highway Agency.