US Bridges

9th Ave SW over Cattail Creek

Good

Emmons County, North Dakota · 19 West 2 South Strasburg · Structure no. 000000015102370

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
24
2019 count
Owner
County
County Highway Agency

About this bridge

9th Ave SW over Cattail Creek is a prestressed concrete stringer/multi-beam or girder carrying 9th Ave SW over Cattail Creek in Emmons County, North Dakota. It was built in 2002, so it is 23 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 24 vehicles a day, projected to reach 24 by 2039. The structure is 96 ft (29.3 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries9th Ave SW
CrossesCattail Creek
Location19 West 2 South Strasburg
RouteCounty Highway 0
Coordinates46.10909, -100.56629
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating31.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length96 ft (29.3 m)
Longest span95 ft (29 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2019)
Projected traffic24 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 9th Ave SW over Cattail Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is 9th Ave SW over Cattail 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 2023.

How much traffic does 9th Ave SW over Cattail Creek carry?

About 24 vehicles per day (2019 count).

How long is 9th Ave SW over Cattail Creek?

The structure is 96 ft (29.3 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns 9th Ave SW over Cattail Creek?

It is owned by the County Highway Agency.