US Bridges

US 36 E over Platte Rvr

FairPosted for load

Buchanan County, Missouri · S 21 T 57 N R 34 W · Structure no. 679

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,184 ft
3 main spans
Daily traffic
6,359
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Platte Rvr is a steel continuous stringer/multi-beam or girder carrying US 36 E over Platte Rvr in Buchanan County, Missouri. It was built in 1978, so it is 47 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 6,359 vehicles a day, roughly 25% of them trucks, projected to reach 10,810 by 2044. The structure is 1,184 ft (360.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 36 E
CrossesPlatte Rvr
LocationS 21 T 57 N R 34 W
RouteU.S. Route 36
Coordinates39.74783, -94.72625
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+13 approach)
Design loadHS 20
Structure length1,184 ft (360.9 m)
Longest span150 ft (45.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,359 (2024)
Projected traffic10,810 by 2044
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 36 E over Platte Rvr built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 36 E over 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 August 2024.

How much traffic does US 36 E over Platte Rvr carry?

About 6,359 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is US 36 E over Platte Rvr?

The structure is 1,184 ft (360.9 m) long with a longest span of 150 ft (45.7 m) and a deck 42 ft wide.

Who owns US 36 E over Platte Rvr?

It is owned by the State Highway Agency.