US Bridges

County Highway over Cass County Drain 13

Fair

Cass County, North Dakota · 5 East 2 South Gardner · Structure no. 000000009140080

Built
1940
85 years old, rebuilt 1978
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
81 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Cass County Drain 13 is a prestressed concrete tee beam carrying County Highway over Cass County Drain 13 in Cass County, North Dakota. It was built in 1940 and reconstructed in 1978, so it is 85 years old, older 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 5 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 20 vehicles a day, projected to reach 20 by 2039. The structure is 81 ft (24.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Highway
CrossesCass County Drain 13
Location5 East 2 South Gardner
RouteCounty Highway 0
CountyCass County
StateNorth Dakota
Coordinates47.12177, -96.85892
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.3 US tons
Inventory rating49.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length81 ft (24.7 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic20 by 2039
Trucks—
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Cass County Drain 13 built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1978.

What condition is County Highway over Cass County Drain 13 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 September 2023.

How much traffic does County Highway over Cass County Drain 13 carry?

About 20 vehicles per day (2019 count).

How long is County Highway over Cass County Drain 13?

The structure is 81 ft (24.7 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns County Highway over Cass County Drain 13?

It is owned by the County Highway Agency.