US Bridges

Rt B S over Is 29

Good

Holt County, Missouri · S 17 T 60 N R 37 W · Structure no. 1525

Built
1968
57 years old, rebuilt 2020
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
4 main spans
Daily traffic
267
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Is 29 is a steel continuous stringer/multi-beam or girder carrying Rt B S over Is 29 in Holt County, Missouri. It was built in 1968 and reconstructed in 2020, so it is 57 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 267 vehicles a day, roughly 12% of them trucks, projected to reach 347 by 2044. The structure is 287 ft (87.5 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt B S
CrossesIs 29
LocationS 17 T 60 N R 37 W
RouteState Highway 0B
Coordinates40.01446, -95.08487
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length287 ft (87.5 m)
Longest span87 ft (26.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic267 (2024)
Projected traffic347 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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 Rt B S over Is 29 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2020.

What condition is Rt B 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 Rt B S over Is 29 carry?

About 267 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt B S over Is 29?

The structure is 287 ft (87.5 m) long with a longest span of 87 ft (26.5 m) and a deck 31 ft wide.

Who owns Rt B S over Is 29?

It is owned by the State Highway Agency.