US Bridges

City ST.19th Ave. over I-29

Fair

Cass County, North Dakota · 2 North of US 10 · Structure no. 0029067258

Built
2006
19 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
277 ft
2 main spans
Daily traffic
10,850
2019 count
Owner
State
State Highway Agency

About this bridge

City ST.19th Ave. over I-29 is a prestressed concrete continuous stringer/multi-beam or girder carrying City ST.19th Ave. over I-29 in Cass County, North Dakota. It was built in 2006, so it is 19 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 10,850 vehicles a day, roughly 2% of them trucks, projected to reach 14,620 by 2039. The structure is 277 ft (84.4 m) long and 105 ft wide.

Location

Open in Google Maps
CarriesCity ST.19th Ave.
CrossesI-29
Location2 North of US 10
RouteCity Street 81
CountyCass County
StateNorth Dakota
Coordinates46.90505, -96.83939
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating60.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length277 ft (84.4 m)
Longest span138 ft (42.1 m)
Deck width105 ft (32.1 m)
Roadway width81 ft (24.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,850 (2019)
Projected traffic14,620 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 City ST.19th Ave. over I-29 built?

It was built in 2006, making it 19 years old in 2025.

What condition is City ST.19th Ave. over I-29 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 June 2024.

How much traffic does City ST.19th Ave. over I-29 carry?

About 10,850 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is City ST.19th Ave. over I-29?

The structure is 277 ft (84.4 m) long with a longest span of 138 ft (42.1 m) and a deck 105 ft wide.

Who owns City ST.19th Ave. over I-29?

It is owned by the State Highway Agency.