US Bridges

Rt Zz S over Panther CR

Fair

Johnson County, Missouri · S 15 T 44 N R 29 W · Structure no. 7080

Built
1958
67 years old, rebuilt 2009
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
121 ft
3 main spans
Daily traffic
87
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz S over Panther CR is a concrete slab carrying Rt Zz S over Panther CR in Johnson County, Missouri. It was built in 1958 and reconstructed in 2009, so it is 67 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 5 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 87 vehicles a day, roughly 11% of them trucks, projected to reach 135 by 2044. The structure is 121 ft (36.9 m) long and 22 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRt Zz S
CrossesPanther CR
LocationS 15 T 44 N R 29 W
RouteState Highway 0ZZ
Coordinates38.60809, -94.09965
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length121 ft (36.9 m)
Longest span40 ft (12.3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2024)
Projected traffic135 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Zz S over Panther CR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2009.

What condition is Rt Zz S over Panther 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 December 2024.

How much traffic does Rt Zz S over Panther CR carry?

About 87 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Zz S over Panther CR?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.3 m) and a deck 22 ft wide.

Who owns Rt Zz S over Panther CR?

It is owned by the State Highway Agency.