US Bridges

Rp IS35S to IS29N over Rp IS29N to Davidson RD

Fair

Clay County, Missouri · S 1 T 50 N R 33 W · Structure no. 1457

Built
1967
58 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
256 ft
4 main spans
Daily traffic
18,167
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS35S to IS29N over Rp IS29N to Davidson RD is a concrete continuous box beam or girders - single or spread carrying Rp IS35S to IS29N over Rp IS29N to Davidson RD in Clay County, Missouri. It was built in 1967 and reconstructed in 1989, 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 18,167 vehicles a day, roughly 9% of them trucks, projected to reach 32,701 by 2044. The structure is 256 ft (78 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRp IS35S to IS29N
CrossesRp IS29N to Davidson RD
LocationS 1 T 50 N R 33 W
RouteState Highway 0
Coordinates39.1726, -94.55832
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length256 ft (78 m)
Longest span84 ft (25.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,167 (2024)
Projected traffic32,701 by 2044
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 IS35S to IS29N over Rp IS29N to Davidson RD built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1989.

What condition is Rp IS35S to IS29N over Rp IS29N to Davidson RD 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 September 2024.

How much traffic does Rp IS35S to IS29N over Rp IS29N to Davidson RD carry?

About 18,167 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rp IS35S to IS29N over Rp IS29N to Davidson RD?

The structure is 256 ft (78 m) long with a longest span of 84 ft (25.7 m) and a deck 27 ft wide.

Who owns Rp IS35S to IS29N over Rp IS29N to Davidson RD?

It is owned by the State Highway Agency.