US Bridges

Nd Highway 22 over Buffalo Coulee

Good

Adams County, North Dakota · 5 South of Reeder · Structure no. 0022006171

Built
1972
53 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
320
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 22 over Buffalo Coulee is a concrete continuous tee beam carrying Nd Highway 22 over Buffalo Coulee in Adams County, North Dakota. It was built in 1972, so it is 53 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 320 vehicles a day, roughly 22% of them trucks, projected to reach 302 by 2039. The structure is 135 ft (41.1 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNd Highway 22
CrossesBuffalo Coulee
Location5 South of Reeder
RouteState Highway 22
Coordinates46.03386, -102.95421
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.9 US tons
Inventory rating38.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span51 ft (15.5 m)
Deck width37 ft (11.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2019)
Projected traffic302 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 Nd Highway 22 over Buffalo Coulee built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nd Highway 22 over Buffalo Coulee in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Nd Highway 22 over Buffalo Coulee carry?

About 320 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Nd Highway 22 over Buffalo Coulee?

The structure is 135 ft (41.1 m) long with a longest span of 51 ft (15.5 m) and a deck 37 ft wide.

Who owns Nd Highway 22 over Buffalo Coulee?

It is owned by the State Highway Agency.