US Bridges

Is 35 S over Cst Lightburne RD

FairPosted for load

Clay County, Missouri · S 29 T 52 N R 31 W · Structure no. 494

Built
1965
60 years old, rebuilt 2010
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
3 main spans
Daily traffic
21,051
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 S over Cst Lightburne RD is a steel continuous stringer/multi-beam or girder carrying Is 35 S over Cst Lightburne RD in Clay County, Missouri. It was built in 1965 and reconstructed in 2010, so it is 60 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 21,051 vehicles a day, roughly 23% of them trucks, projected to reach 37,892 by 2044. The structure is 190 ft (57.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 35 S
CrossesCst Lightburne RD
LocationS 29 T 52 N R 31 W
RouteInterstate 35
Coordinates39.28637, -94.41626
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span72 ft (21.9 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,051 (2024)
Projected traffic37,892 by 2044
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 35 S over Cst Lightburne RD built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2010.

What condition is Is 35 S over Cst Lightburne 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 Is 35 S over Cst Lightburne RD carry?

About 21,051 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is Is 35 S over Cst Lightburne RD?

The structure is 190 ft (57.9 m) long with a longest span of 72 ft (21.9 m) and a deck 40 ft wide.

Who owns Is 35 S over Cst Lightburne RD?

It is owned by the State Highway Agency.