US Bridges

Rp IS435S to IS29N over Is 29

Fair

Platte County, Missouri · S 5 T 52 N R 34 W · Structure no. 2906

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
416 ft
3 main spans
Daily traffic
6,303
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS435S to IS29N over Is 29 is a steel continuous stringer/multi-beam or girder carrying Rp IS435S to IS29N over Is 29 in Platte County, Missouri. It was built in 1985, so it is 40 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,303 vehicles a day, roughly 18% of them trucks, projected to reach 12,921 by 2044. The structure is 416 ft (126.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRp IS435S to IS29N
CrossesIs 29
LocationS 5 T 52 N R 34 W
RouteState Highway 0
CountyPlatte County
StateMissouri
Coordinates39.34613, -94.74844
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.3 US tons
Inventory rating55.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20 + Mod
Structure length416 ft (126.8 m)
Longest span138 ft (42.1 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,303 (2024)
Projected traffic12,921 by 2044
Trucks18%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS435S to IS29N over Is 29 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rp IS435S to IS29N over Is 29 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 July 2024.

How much traffic does Rp IS435S to IS29N over Is 29 carry?

About 6,303 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rp IS435S to IS29N over Is 29?

The structure is 416 ft (126.8 m) long with a longest span of 138 ft (42.1 m) and a deck 28 ft wide.

Who owns Rp IS435S to IS29N over Is 29?

It is owned by the State Highway Agency.