US Bridges

Is 29 N over Abandoned RR Bee CR

FairPosted for load

Platte County, Missouri · S 12 T 54 N R 35 W · Structure no. 755

Built
1958
67 years old, rebuilt 2007
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
465 ft
7 main spans
Daily traffic
18,637
2024 count
Owner
State
State Highway Agency

About this bridge

Is 29 N over Abandoned RR Bee CR is a steel continuous stringer/multi-beam or girder carrying Is 29 N over Abandoned RR Bee CR in Platte County, Missouri. It was built in 1958 and reconstructed in 2007, so it is 67 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 18,637 vehicles a day, roughly 25% of them trucks, projected to reach 38,206 by 2044. The structure is 465 ft (141.7 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 29 N
CrossesAbandoned RR Bee CR
LocationS 12 T 54 N R 35 W
RouteInterstate 29
Coordinates39.51129, -94.78653
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating74.4 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length465 ft (141.7 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,637 (2024)
Projected traffic38,206 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
Strategic Highway NetworkInterstate STRAHNET route

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 Is 29 N over Abandoned RR Bee CR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2007.

What condition is Is 29 N over Abandoned RR Bee CR 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 Is 29 N over Abandoned RR Bee CR carry?

About 18,637 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Is 29 N over Abandoned RR Bee CR?

The structure is 465 ft (141.7 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns Is 29 N over Abandoned RR Bee CR?

It is owned by the State Highway Agency.