US Bridges

Interstate 29 over County Drains 1 and 2

Fair

Grand Forks County, North Dakota · 5 South of Nd 54 · Structure no. 0029155677

Built
1970
55 years old
Condition
Fair
inspected June 2021
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
5,500
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 29 over County Drains 1 and 2 is a concrete culvert carrying Interstate 29 over County Drains 1 and 2 in Grand Forks 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 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 5,500 vehicles a day, roughly 27% of them trucks, projected to reach 5,500 by 2039. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 29
CrossesCounty Drains 1 and 2
Location5 South of Nd 54
RouteInterstate 29
CountyGrand Forks County
StateNorth Dakota
Coordinates48.12099, -97.19174
Functional classRural Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2019)
Projected traffic5,500 by 2039
Trucks27%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 29 over County Drains 1 and 2 built?

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

What condition is Interstate 29 over County Drains 1 and 2 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 June 2021.

How much traffic does Interstate 29 over County Drains 1 and 2 carry?

About 5,500 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is Interstate 29 over County Drains 1 and 2?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Interstate 29 over County Drains 1 and 2?

It is owned by the State Highway Agency.