US Bridges

Bridge ST over Lit Platte Rvr

FairPosted for load

Clay County, Missouri · S 23 T 53 N R 33 W · Structure no. 35648

Built
1936
89 years old, rebuilt 2004
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
4 main spans
Daily traffic
2,654
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bridge ST over Lit Platte Rvr is a steel continuous stringer/multi-beam or girder carrying Bridge ST over Lit Platte Rvr in Clay County, Missouri. It was built in 1936 and reconstructed in 2004, so it is 89 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 2,654 vehicles a day, roughly 10% of them trucks, projected to reach 4,246 by 2044. The structure is 214 ft (65.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge ST
CrossesLit Platte Rvr
LocationS 23 T 53 N R 33 W
RouteCity Street 169
Coordinates39.38917, -94.58083
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length214 ft (65.2 m)
Longest span70 ft (21.3 m)
Deck width45 ft (13.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,654 (2024)
Projected traffic4,246 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Bridge ST over Lit Platte Rvr built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2004.

What condition is Bridge ST over Lit Platte 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 January 2024.

How much traffic does Bridge ST over Lit Platte Rvr carry?

About 2,654 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bridge ST over Lit Platte Rvr?

The structure is 214 ft (65.2 m) long with a longest span of 70 ft (21.3 m) and a deck 45 ft wide.

Who owns Bridge ST over Lit Platte Rvr?

It is owned by the City or Municipal Highway Agency.