US Bridges

Rt B S over Osage Rvr

Poor

Cole County, Missouri · S 1 T 42 N R 12 W · Structure no. 5890

Built
1964
61 years old, rebuilt 2013
Condition
Poor
inspected August 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,120 ft
4 main spans
Daily traffic
3,285
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Osage Rvr is a steel continuous girder and floorbeam system carrying Rt B S over Osage Rvr in Cole County, Missouri. It was built in 1964 and reconstructed in 2013, so it is 61 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,285 vehicles a day, roughly 10% of them trucks, projected to reach 5,256 by 2044. The structure is 1,120 ft (341.4 m) long and 30 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesRt B S
CrossesOsage Rvr
LocationS 1 T 42 N R 12 W
RouteState Highway 0B
Coordinates38.42121, -92.20845
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadH 20
Structure length1,120 ft (341.4 m)
Longest span200 ft (61 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,285 (2024)
Projected traffic5,256 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$17.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt B S over Osage Rvr built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2013.

What condition is Rt B S over Osage Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Rt B S over Osage Rvr carry?

About 3,285 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt B S over Osage Rvr?

The structure is 1,120 ft (341.4 m) long with a longest span of 200 ft (61 m) and a deck 30 ft wide.

Who owns Rt B S over Osage Rvr?

It is owned by the State Highway Agency.