US Bridges

Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga

Fair

Platte County, Missouri · S 33 T 51 N R 33 W · Structure no. 1383

Built
1967
58 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
298 ft
4 main spans
Daily traffic
13,500
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga is a concrete continuous box beam or girders - single or spread carrying Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga in Platte County, Missouri. It was built in 1967 and reconstructed in 1991, so it is 58 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 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 13,500 vehicles a day, roughly 11% of them trucks, projected to reach 27,675 by 2044. The structure is 298 ft (90.8 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRp IS29N to IS635S
CrossesIs 29 Rp IS29S to NW Ga
LocationS 33 T 51 N R 33 W
RouteState Highway 0
CountyPlatte County
StateMissouri
Coordinates39.19092, -94.61505
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length298 ft (90.8 m)
Longest span91 ft (27.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2024)
Projected traffic27,675 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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 IS29N to IS635S over Is 29 Rp IS29S to NW Ga built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1991.

What condition is Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga 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 Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga carry?

About 13,500 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga?

The structure is 298 ft (90.8 m) long with a longest span of 91 ft (27.7 m) and a deck 35 ft wide.

Who owns Rp IS29N to IS635S over Is 29 Rp IS29S to NW Ga?

It is owned by the State Highway Agency.