US Bridges

County Highway 16 over Maple River Tributary

Good

Cass County, North Dakota · 5 W 4 S of Alice · Structure no. 000000009103370

Built
2023
2 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
59
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway 16 over Maple River Tributary is a concrete culvert carrying County Highway 16 over Maple River Tributary in Cass County, North Dakota. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59 vehicles a day, projected to reach 79 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Highway 16
CrossesMaple River Tributary
Location5 W 4 S of Alice
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates46.70236, -97.65768
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic59 (2022)
Projected traffic79 by 2042
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 16 over Maple River Tributary built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Highway 16 over Maple River Tributary 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 August 2023.

How much traffic does County Highway 16 over Maple River Tributary carry?

About 59 vehicles per day (2022 count).

How long is County Highway 16 over Maple River Tributary?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m).

Who owns County Highway 16 over Maple River Tributary?

It is owned by the County Highway Agency.