US Bridges

100th Ave SW over Creek

Good

Hettinger County, North Dakota · 14 North of Regent · Structure no. 000000021118010

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
340
2016 count
Owner
County
County Highway Agency

About this bridge

100th Ave SW over Creek is a concrete culvert carrying 100th Ave SW over Creek in Hettinger County, North Dakota. It was built in 1990, so it is 35 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 340 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2036. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 23 mi (37 km).

Carries100th Ave SW
CrossesCreek
Location14 North of Regent
RouteCounty Highway 2117
Coordinates46.62988, -102.55705
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2016)
Projected traffic400 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 100th Ave SW over Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 100th Ave SW over Creek 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 October 2024.

How much traffic does 100th Ave SW over Creek carry?

About 340 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is 100th Ave SW over Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns 100th Ave SW over Creek?

It is owned by the County Highway Agency.