US Bridges

Rt P S over Wyaconda Rvr

FairPosted for load

Lewis County, Missouri · S 33 T 62 N R 6 W · Structure no. 8186

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
4 main spans
Daily traffic
167
2024 count
Owner
State
State Highway Agency

About this bridge

Rt P S over Wyaconda Rvr is a steel continuous stringer/multi-beam or girder carrying Rt P S over Wyaconda Rvr in Lewis County, Missouri. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 167 vehicles a day, roughly 16% of them trucks, projected to reach 242 by 2044. The structure is 341 ft (103.9 m) long and 24 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesRt P S
CrossesWyaconda Rvr
LocationS 33 T 62 N R 6 W
RouteState Highway 0P
CountyLewis County
StateMissouri
Coordinates40.12126, -91.56588
Functional classRural Minor Collector

Condition and inspection

Fair

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

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating22.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length341 ft (103.9 m)
Longest span104 ft (31.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2024)
Projected traffic242 by 2044
Trucks16%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 P S over Wyaconda Rvr built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt P S over Wyaconda 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 2024.

How much traffic does Rt P S over Wyaconda Rvr carry?

About 167 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Rt P S over Wyaconda Rvr?

The structure is 341 ft (103.9 m) long with a longest span of 104 ft (31.7 m) and a deck 24 ft wide.

Who owns Rt P S over Wyaconda Rvr?

It is owned by the State Highway Agency.