US Bridges

County Highway over Nelson Drain No. 28

FairPosted for load

Traill County, North Dakota · 8 East 5 South Hillsboro · Structure no. 000000049128240

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
27 ft
1 main span
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Nelson Drain No. 28 is a wood or timber stringer/multi-beam or girder carrying County Highway over Nelson Drain No. 28 in Traill County, North Dakota. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2038. The structure is 27 ft (8.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesNelson Drain No. 28
Location8 East 5 South Hillsboro
RouteCounty Highway 0
Coordinates47.33868, -96.87812
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27.1 US tons
Inventory rating19.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 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 traffic10 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Nelson Drain No. 28 built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Highway over Nelson Drain No. 28 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 August 2024.

How much traffic does County Highway over Nelson Drain No. 28 carry?

About 10 vehicles per day (2018 count).

How long is County Highway over Nelson Drain No. 28?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns County Highway over Nelson Drain No. 28?

It is owned by the County Highway Agency.