US Bridges

County Highway 16 over Wild Rice River

Good

Cass County, North Dakota · 1 East of ST Benedict · Structure no. 000000009142360

Built
2001
24 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
259 ft
3 main spans
Daily traffic
670
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway 16 over Wild Rice River is a prestressed concrete continuous box beam or girders - single or spread carrying County Highway 16 over Wild Rice River in Cass County, North Dakota. It was built in 2001, so it is 24 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 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 670 vehicles a day, roughly 6% of them trucks, projected to reach 720 by 2039. The structure is 259 ft (78.9 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway 16
CrossesWild Rice River
Location1 East of ST Benedict
RouteCounty Highway 950
Coordinates46.71696, -96.82058
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length259 ft (78.9 m)
Longest span85 ft (25.9 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2019)
Projected traffic720 by 2039
Trucks6%
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 16 over Wild Rice River built?

It was built in 2001, making it 24 years old in 2025.

What condition is County Highway 16 over Wild Rice River 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 June 2023.

How much traffic does County Highway 16 over Wild Rice River carry?

About 670 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is County Highway 16 over Wild Rice River?

The structure is 259 ft (78.9 m) long with a longest span of 85 ft (25.9 m) and a deck 38 ft wide.

Who owns County Highway 16 over Wild Rice River?

It is owned by the County Highway Agency.