US Bridges

CO RD32/28th ST SE over Rush River

Good

Cass County, North Dakota · 1 West of Amenia · Structure no. 000000009122163

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

CO RD32/28th ST SE over Rush River is a prestressed concrete box beam or girders - single or spread carrying CO RD32/28th ST SE over Rush River in Cass County, North Dakota. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 305 by 2041. The structure is 126 ft (38.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO RD32/28th ST SE
CrossesRush River
Location1 West of Amenia
RouteCounty Highway 922
Coordinates47.00652, -97.24637
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.4 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length126 ft (38.4 m)
Longest span41 ft (12.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic305 by 2041
Trucks10%
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 CO RD32/28th ST SE over Rush River built?

It was built in 2024, making it 1 years old in 2025.

What condition is CO RD32/28th ST SE 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 December 2024.

How much traffic does CO RD32/28th ST SE over Rush River carry?

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is CO RD32/28th ST SE over Rush River?

The structure is 126 ft (38.4 m) long with a longest span of 41 ft (12.6 m) and a deck 31 ft wide.

Who owns CO RD32/28th ST SE over Rush River?

It is owned by the County Highway Agency.