US Bridges

49th ST (cr 137) over Beaver Creek

Fair

Morton County, North Dakota · 9 South 2 East New Salem · Structure no. 000000030136190

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
172
2022 count
Owner
County
County Highway Agency

About this bridge

49th ST (cr 137) over Beaver Creek is a concrete channel beam carrying 49th ST (cr 137) over Beaver Creek in Morton County, North Dakota. It was built in 1970, so it is 55 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 172 vehicles a day, projected to reach 232 by 2042. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries49th ST (cr 137)
CrossesBeaver Creek
Location9 South 2 East New Salem
RouteCounty Highway 3020
CountyMorton County
StateNorth Dakota
Coordinates46.70284, -101.35779
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic172 (2022)
Projected traffic232 by 2042
Trucks0%
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 49th ST (cr 137) over Beaver Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is 49th ST (cr 137) over Beaver 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 49th ST (cr 137) over Beaver Creek carry?

About 172 vehicles per day (2022 count).

How long is 49th ST (cr 137) over Beaver Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.

Who owns 49th ST (cr 137) over Beaver Creek?

It is owned by the County Highway Agency.