US Bridges

County RD Z-831 over Ludecker CR

Fair

Ozark County, Missouri · S 24 T 23 N R 15 W · Structure no. 16849

Built
1938
87 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
81 ft
8 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

County RD Z-831 over Ludecker CR is a concrete slab carrying County RD Z-831 over Ludecker CR in Ozark County, Missouri. It was built in 1938, so it is 87 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2044. The structure is 81 ft (24.7 m) long and 14 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty RD Z-831
CrossesLudecker CR
LocationS 24 T 23 N R 15 W
RouteCounty Highway 134
Coordinates36.65051, -92.5593
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadOther
Structure length81 ft (24.7 m)
Longest span10 ft (3 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic30 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD Z-831 over Ludecker CR built?

It was built in 1938, making it 87 years old in 2025.

What condition is County RD Z-831 over Ludecker 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 October 2023.

How much traffic does County RD Z-831 over Ludecker CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD Z-831 over Ludecker CR?

The structure is 81 ft (24.7 m) long with a longest span of 10 ft (3 m) and a deck 14 ft wide.

Who owns County RD Z-831 over Ludecker CR?

It is owned by the County Highway Agency.