US Bridges

38th ST over Muskrat Creek

Fair

Morton County, North Dakota · 5 West 1 North New Salem · Structure no. 000000030128080

Built
1936
89 years old, rebuilt 1975
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

38th ST over Muskrat Creek is a prestressed concrete tee beam carrying 38th ST over Muskrat Creek in Morton County, North Dakota. It was built in 1936 and reconstructed in 1975, so it is 89 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 20 vehicles a day, projected to reach 20 by 2038. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries38th ST
CrossesMuskrat Creek
Location5 West 1 North New Salem
RouteCounty Highway 0
Coordinates46.86206, -101.52399
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 38th ST over Muskrat Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1975.

What condition is 38th ST over Muskrat 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 November 2024.

How much traffic does 38th ST over Muskrat Creek carry?

About 20 vehicles per day (2018 count).

How long is 38th ST over Muskrat Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns 38th ST over Muskrat Creek?

It is owned by the County Highway Agency.