US Bridges

S Ridgely RD over Br of Lit Platte R

Fair

Platte County, Missouri · S 32 T 54 N R 33 W · Structure no. 31169

Built
2009
16 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

S Ridgely RD over Br of Lit Platte R is a prestressed concrete continuous stringer/multi-beam or girder carrying S Ridgely RD over Br of Lit Platte R in Platte County, Missouri. It was built in 2009, so it is 16 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 6 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 139 by 2044. The structure is 117 ft (35.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS Ridgely RD
CrossesBr of Lit Platte R
LocationS 32 T 54 N R 33 W
RouteCounty Highway 0
Coordinates39.44537, -94.6349
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic139 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 S Ridgely RD over Br of Lit Platte R built?

It was built in 2009, making it 16 years old in 2025.

What condition is S Ridgely RD over Br of Lit Platte R 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 S Ridgely RD over Br of Lit Platte R carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S Ridgely RD over Br of Lit Platte R?

The structure is 117 ft (35.7 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns S Ridgely RD over Br of Lit Platte R?

It is owned by the County Highway Agency.