US Bridges

County Highway over Elm River

Fair

Traill County, North Dakota · 8 East 4 South of Kelso · Structure no. 000000049130291

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
76 ft
1 main span
Daily traffic
85
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Elm River is a steel culvert carrying County Highway over Elm River in Traill County, North Dakota. It was built in 1982, so it is 43 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.

It carries about 85 vehicles a day, projected to reach 80 by 2038. The structure is 76 ft (23.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesElm River
Location8 East 4 South of Kelso
RouteCounty Highway 4929
Coordinates47.26087, -96.84988
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2018)
Projected traffic80 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Elm River built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Highway over Elm 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 County Highway over Elm River carry?

About 85 vehicles per day (2018 count).

How long is County Highway over Elm River?

The structure is 76 ft (23.2 m) long with a longest span of 27 ft (8.2 m).

Who owns County Highway over Elm River?

It is owned by the County Highway Agency.