US Bridges

Rt Z E over Platte Rvr

PoorClosed to traffic

Platte County, Missouri · S 1 T 54 N R 34 W · Structure no. 8562

Built
1966
59 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
838 ft
3 main spans
Daily traffic
958
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z E over Platte Rvr is a steel continuous stringer/multi-beam or girder carrying Rt Z E over Platte Rvr in Platte County, Missouri. It was built in 1966, so it is 59 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. Its operating status is: closed to all traffic.

It carries about 958 vehicles a day, roughly 10% of them trucks, projected to reach 1,724 by 2044. The structure is 838 ft (255.4 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRt Z E
CrossesPlatte Rvr
LocationS 1 T 54 N R 34 W
RouteState Highway 0Z
Coordinates39.51511, -94.65768
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadH 15
Structure length838 ft (255.4 m)
Longest span160 ft (48.8 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic958 (2024)
Projected traffic1,724 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Z E over Platte Rvr built?

It was built in 1966, making it 59 years old in 2025.

What condition is Rt Z E over Platte 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 Z E over Platte Rvr carry?

About 958 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Z E over Platte Rvr?

The structure is 838 ft (255.4 m) long with a longest span of 160 ft (48.8 m) and a deck 29 ft wide.

Who owns Rt Z E over Platte Rvr?

It is owned by the State Highway Agency.