US Bridges

Rt Z S over Heaths CR

Good

Cooper County, Missouri · S 18 T 48 N R 19 W · Structure no. 6728

Built
1956
69 years old, rebuilt 2016
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
194 ft
3 main spans
Daily traffic
274
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z S over Heaths CR is a steel continuous stringer/multi-beam or girder carrying Rt Z S over Heaths CR in Cooper County, Missouri. It was built in 1956 and reconstructed in 2016, so it is 69 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 274 vehicles a day, roughly 11% of them trucks, projected to reach 370 by 2044. The structure is 194 ft (59.1 m) long and 24 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt Z S
CrossesHeaths CR
LocationS 18 T 48 N R 19 W
RouteState Highway 0Z
Coordinates38.92426, -93.04054
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 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 rating31.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length194 ft (59.1 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic274 (2024)
Projected traffic370 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Z S over Heaths CR built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2016.

What condition is Rt Z S over Heaths CR 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 July 2023.

How much traffic does Rt Z S over Heaths CR carry?

About 274 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Z S over Heaths CR?

The structure is 194 ft (59.1 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns Rt Z S over Heaths CR?

It is owned by the State Highway Agency.