US Bridges

Pvt 86-1 S over Drain Dtch

FairPosted for load

Newton County, Missouri · S 20 T 25 N R 31 W · Structure no. 36438

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
20 ft
1 main span
Daily traffic
10
2024 count
Owner
State
State Highway Agency

About this bridge

Pvt 86-1 S over Drain Dtch is a wood or timber stringer/multi-beam or girder carrying Pvt 86-1 S over Drain Dtch in Newton County, Missouri. It was built in 1950, so it is 75 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 6 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 20 ft (6.1 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesPvt 86-1 S
CrossesDrain Dtch
LocationS 20 T 25 N R 31 W
CountyNewton County
StateMissouri
Coordinates36.8662, -94.35
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating6 US tons
Inventory rating4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$234,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pvt 86-1 S over Drain Dtch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pvt 86-1 S over Drain Dtch 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 September 2023.

How much traffic does Pvt 86-1 S over Drain Dtch carry?

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

How long is Pvt 86-1 S over Drain Dtch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 17 ft wide.

Who owns Pvt 86-1 S over Drain Dtch?

It is owned by the State Highway Agency.