US Bridges

Naylor RD over Naylor Br

FairPosted for load

Platte County, Missouri · S 18 T 51 N R 34 W · Structure no. 34383

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
10
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Naylor RD over Naylor Br is a concrete continuous culvert carrying Naylor RD over Naylor Br in Platte County, Missouri. It was built in 1983, so it is 42 years old, younger 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 19 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNaylor RD
CrossesNaylor Br
LocationS 18 T 51 N R 34 W
RouteCity Street 223
Coordinates39.23794, -94.75718
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic19 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Naylor RD over Naylor Br built?

It was built in 1983, making it 42 years old in 2025.

What condition is Naylor RD over Naylor Br 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 April 2024.

How much traffic does Naylor RD over Naylor Br carry?

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

How long is Naylor RD over Naylor Br?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m).

Who owns Naylor RD over Naylor Br?

It is owned by the City or Municipal Highway Agency.