US Bridges

Rt B S over Platte River

FairPosted for load

Platte County, Missouri · S 13 T 53 N R 34 W · Structure no. 9651

Built
1957
68 years old, rebuilt 2011
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
1,231
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Platte River is a steel continuous stringer/multi-beam or girder carrying Rt B S over Platte River in Platte County, Missouri. It was built in 1957 and reconstructed in 2011, so it is 68 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 1,231 vehicles a day, roughly 3% of them trucks, projected to reach 2,216 by 2044. The structure is 185 ft (56.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRt B S
CrossesPlatte River
LocationS 13 T 53 N R 34 W
RouteState Highway 0B
CountyPlatte County
StateMissouri
Coordinates39.40619, -94.65859
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length185 ft (56.4 m)
Longest span70 ft (21.3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,231 (2024)
Projected traffic2,216 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt B S over Platte River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2011.

What condition is Rt B S over Platte River 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 October 2024.

How much traffic does Rt B S over Platte River carry?

About 1,231 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Rt B S over Platte River?

The structure is 185 ft (56.4 m) long with a longest span of 70 ft (21.3 m) and a deck 25 ft wide.

Who owns Rt B S over Platte River?

It is owned by the State Highway Agency.