US Bridges

70th Ave SW over Brushy Creek

Fair

Grant County, North Dakota · 24 South of Elgin · Structure no. 000000019112470

Built
1995
30 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
95
2017 count
Owner
County
County Highway Agency

About this bridge

70th Ave SW over Brushy Creek is a concrete culvert carrying 70th Ave SW over Brushy Creek in Grant County, North Dakota. It was built in 1995, so it is 30 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 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 95 vehicles a day, projected to reach 95 by 2037. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
Carries70th Ave SW
CrossesBrushy Creek
Location24 South of Elgin
RouteCounty Highway 1911
CountyGrant County
StateNorth Dakota
Coordinates46.04952, -101.83262
Functional classRural Major Collector

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 inspectionApril 2024
Inspection intervalevery 24 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2017)
Projected traffic95 by 2037
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 70th Ave SW over Brushy Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 70th Ave SW over Brushy Creek 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 April 2024.

How much traffic does 70th Ave SW over Brushy Creek carry?

About 95 vehicles per day (2017 count).

How long is 70th Ave SW over Brushy Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 70th Ave SW over Brushy Creek?

It is owned by the County Highway Agency.