US Bridges

127th Avenue SW over Branch of Knife River

FairPosted for load

Stark County, North Dakota · Just North of Highway 10 · Structure no. 000000045154081

Built
1988
37 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
79 ft
3 main spans
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

127th Avenue SW over Branch of Knife River is a wood or timber stringer/multi-beam or girder carrying 127th Avenue SW over Branch of Knife River in Stark County, North Dakota. It was built in 1988, so it is 37 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 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 20 vehicles a day, projected to reach 15 by 2038. The structure is 79 ft (24.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries127th Avenue SW
CrossesBranch of Knife River
LocationJust North of Highway 10
RouteCounty Highway 0
Coordinates46.89937, -102.09684
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.8 US tons
Inventory rating11.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span35 ft (10.7 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic15 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$78,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 127th Avenue SW over Branch of Knife River built?

It was built in 1988, making it 37 years old in 2025.

What condition is 127th Avenue SW over Branch of Knife River 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 2024.

How much traffic does 127th Avenue SW over Branch of Knife River carry?

About 20 vehicles per day (2018 count).

How long is 127th Avenue SW over Branch of Knife River?

The structure is 79 ft (24.1 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns 127th Avenue SW over Branch of Knife River?

It is owned by the County Highway Agency.