US Bridges

Mo 111 S over Is 29

Good

Atchison County, Missouri · S 9 T 64 N R 41 W · Structure no. 2359

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
293 ft
4 main spans
Daily traffic
640
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 111 S over Is 29 is a steel continuous stringer/multi-beam or girder carrying Mo 111 S over Is 29 in Atchison County, Missouri. It was built in 2021, so it is 4 years old, younger 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 640 vehicles a day, roughly 6% of them trucks, projected to reach 832 by 2044. The structure is 293 ft (89.3 m) long and 43 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 111 S
CrossesIs 29
LocationS 9 T 64 N R 41 W
RouteState Highway 111
Coordinates40.3688, -95.53206
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length293 ft (89.3 m)
Longest span97 ft (29.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2024)
Projected traffic832 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed24.2 mi (39 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 111 S over Is 29 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mo 111 S over Is 29 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 September 2023.

How much traffic does Mo 111 S over Is 29 carry?

About 640 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 111 S over Is 29?

The structure is 293 ft (89.3 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.

Who owns Mo 111 S over Is 29?

It is owned by the State Highway Agency.