US Bridges

Graden RD over Pied CR

PoorPosted for load

Platte County, Missouri · S 26 T 51 N R 34 W · Structure no. 21955

Built
1968
57 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
800
2024 count
Owner
County
County Highway Agency

About this bridge

Graden RD over Pied CR is a steel stringer/multi-beam or girder carrying Graden RD over Pied CR in Platte County, Missouri. It was built in 1968, so it is 57 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 10% of them trucks, projected to reach 1,520 by 2044. The structure is 53 ft (16.2 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGraden RD
CrossesPied CR
LocationS 26 T 51 N R 34 W
RouteCity Street 0
Coordinates39.21256, -94.69157
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length53 ft (16.2 m)
Longest span52 ft (15.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2024)
Projected traffic1,520 by 2044
Trucks10%
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

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$619,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Graden RD over Pied CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Graden RD over Pied CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Graden RD over Pied CR carry?

About 800 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Graden RD over Pied CR?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.8 m) and a deck 26 ft wide.

Who owns Graden RD over Pied CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.