US Bridges

County HWY over Rush River

Good

Cass County, North Dakota · 7 East of Ayr · Structure no. 000000009118140

Built
2011
14 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
75
2017 count
Owner
County
County Highway Agency

About this bridge

County HWY over Rush River is a concrete culvert carrying County HWY over Rush River in Cass County, North Dakota. It was built in 2011, so it is 14 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 75 vehicles a day, projected to reach 90 by 2037. The structure is 25 ft (7.6 m) long.

Location

Open in Google Maps
CarriesCounty HWY
CrossesRush River
Location7 East of Ayr
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates47.03568, -97.33681
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating99.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
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 traffic75 (2017)
Projected traffic90 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 HWY over Rush River built?

It was built in 2011, making it 14 years old in 2025.

What condition is County HWY over Rush 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 May 2021.

How much traffic does County HWY over Rush River carry?

About 75 vehicles per day (2017 count).

How long is County HWY over Rush River?

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

Who owns County HWY over Rush River?

It is owned by the County Highway Agency.