US Bridges

US 159 S over Is 29

Good

Holt County, Missouri · S 21 T 61 N R 38 W · Structure no. 2191

Built
1972
53 years old, rebuilt 2019
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
2 main spans
Daily traffic
599
2024 count
Owner
State
State Highway Agency

About this bridge

US 159 S over Is 29 is a steel continuous stringer/multi-beam or girder carrying US 159 S over Is 29 in Holt County, Missouri. It was built in 1972 and reconstructed in 2019, so it is 53 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 599 vehicles a day, roughly 21% of them trucks, projected to reach 809 by 2044. The structure is 247 ft (75.3 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 159 S
CrossesIs 29
LocationS 21 T 61 N R 38 W
RouteU.S. Route 159
Coordinates40.0745, -95.19281
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.2 US tons
Inventory rating60.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHL 93
Structure length247 ft (75.3 m)
Longest span86 ft (26.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic599 (2024)
Projected traffic809 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 US 159 S over Is 29 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2019.

What condition is US 159 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 November 2023.

How much traffic does US 159 S over Is 29 carry?

About 599 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US 159 S over Is 29?

The structure is 247 ft (75.3 m) long with a longest span of 86 ft (26.2 m) and a deck 37 ft wide.

Who owns US 159 S over Is 29?

It is owned by the State Highway Agency.