US Bridges

37th ST over Drainage Area

FairPosted for load

Morton County, North Dakota · 4 North of Glen Ullin · Structure no. 000000030113070

Built
1955
70 years old, rebuilt 1975
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

37th ST over Drainage Area is a wood or timber stringer/multi-beam or girder carrying 37th ST over Drainage Area in Morton County, North Dakota. It was built in 1955 and reconstructed in 1975, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 5 by 2038. The structure is 29 ft (8.8 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries37th ST
CrossesDrainage Area
Location4 North of Glen Ullin
RouteCounty Highway 0
Coordinates46.8773, -101.82648
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.9 US tons
Inventory rating25.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic5 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$57,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 37th ST over Drainage Area built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1975.

What condition is 37th ST over Drainage Area 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 37th ST over Drainage Area carry?

About 10 vehicles per day (2018 count).

How long is 37th ST over Drainage Area?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns 37th ST over Drainage Area?

It is owned by the County Highway Agency.