US Bridges

Is 29 S over Levee Maint. RD Nishn

Good

Atchison County, Missouri · S 3 T 66 N R 42 W · Structure no. 2043

Built
1971
54 years old, rebuilt 2021
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
998 ft
3 main spans
Daily traffic
8,382
2024 count
Owner
State
State Highway Agency

About this bridge

Is 29 S over Levee Maint. RD Nishn is a steel continuous stringer/multi-beam or girder carrying Is 29 S over Levee Maint. RD Nishn in Atchison County, Missouri. It was built in 1971 and reconstructed in 2021, so it is 54 years old, older than the Missouri average of 45.1 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 8,382 vehicles a day, roughly 42% of them trucks, projected to reach 17,602 by 2044. The structure is 998 ft (304.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 29 S
CrossesLevee Maint. RD Nishn
LocationS 3 T 66 N R 42 W
RouteInterstate 29
Coordinates40.56945, -95.64182
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+10 approach)
Design loadHS 20
Structure length998 ft (304.2 m)
Longest span160 ft (48.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,382 (2024)
Projected traffic17,602 by 2044
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 29 S over Levee Maint. RD Nishn built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2021.

What condition is Is 29 S over Levee Maint. RD Nishn 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 2024.

How much traffic does Is 29 S over Levee Maint. RD Nishn carry?

About 8,382 vehicles per day (2024 count), of which roughly 42% are trucks.

How long is Is 29 S over Levee Maint. RD Nishn?

The structure is 998 ft (304.2 m) long with a longest span of 160 ft (48.8 m) and a deck 41 ft wide.

Who owns Is 29 S over Levee Maint. RD Nishn?

It is owned by the State Highway Agency.