US Bridges

County RD Z-861 over Lit N Fk White Rvr

Fair

Ozark County, Missouri · S 33 T 23 N R 15 W · Structure no. 16951

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
21 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD Z-861 over Lit N Fk White Rvr is a concrete slab carrying County RD Z-861 over Lit N Fk White Rvr in Ozark County, Missouri. It was built in 1977, so it is 48 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2044. The structure is 21 ft (6.4 m) long and 13 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCounty RD Z-861
CrossesLit N Fk White Rvr
LocationS 33 T 23 N R 15 W
RouteCounty Highway 137
CountyOzark County
StateMissouri
Coordinates36.63153, -92.6192
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
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 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 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width13 ft (4 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic45 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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-861 over Lit N Fk White Rvr built?

It was built in 1977, making it 48 years old in 2025.

What condition is County RD Z-861 over Lit N Fk White Rvr 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-861 over Lit N Fk White Rvr carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD Z-861 over Lit N Fk White Rvr?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 13 ft wide.

Who owns County RD Z-861 over Lit N Fk White Rvr?

It is owned by the County Highway Agency.