US Bridges

Rt O S over Poney CR

Fair

Cass County, Missouri · S 13 T 44 N R 32 W · Structure no. 458

Built
1960
65 years old, rebuilt 2009
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
1,146
2024 count
Owner
State
State Highway Agency

About this bridge

Rt O S over Poney CR is a steel continuous stringer/multi-beam or girder carrying Rt O S over Poney CR in Cass County, Missouri. It was built in 1960 and reconstructed in 2009, so it is 65 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,146 vehicles a day, roughly 11% of them trucks, projected to reach 1,891 by 2044. The structure is 164 ft (50 m) long and 29 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesRt O S
CrossesPoney CR
LocationS 13 T 44 N R 32 W
RouteState Highway 0O
Coordinates38.61385, -94.5043
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length164 ft (50 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,146 (2024)
Projected traffic1,891 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt O S over Poney CR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2009.

What condition is Rt O S over Poney CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Rt O S over Poney CR carry?

About 1,146 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt O S over Poney CR?

The structure is 164 ft (50 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Rt O S over Poney CR?

It is owned by the State Highway Agency.