US Bridges

Rt Z E over Pratter Br

Poor

Polk County, Missouri · S 23 T 32 N R 21 W · Structure no. 9468

Built
1941
84 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
414
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z E over Pratter Br is a concrete continuous slab carrying Rt Z E over Pratter Br in Polk County, Missouri. It was built in 1941, so it is 84 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 414 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2044. The structure is 44 ft (13.4 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Z E
CrossesPratter Br
LocationS 23 T 32 N R 21 W
RouteState Highway 0Z
CountyPolk County
StateMissouri
Coordinates37.48332, -93.21647
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length44 ft (13.4 m)
Longest span16 ft (4.9 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic414 (2024)
Projected traffic662 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$574,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Z E over Pratter Br built?

It was built in 1941, making it 84 years old in 2025.

What condition is Rt Z E over Pratter Br 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 November 2024.

How much traffic does Rt Z E over Pratter Br carry?

About 414 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt Z E over Pratter Br?

The structure is 44 ft (13.4 m) long with a longest span of 16 ft (4.9 m) and a deck 22 ft wide.

Who owns Rt Z E over Pratter Br?

It is owned by the State Highway Agency.