US Bridges

Is 35 S over Cst Summit ST

Fair

Jackson County, Missouri · S 7 T 49 N R 33 W · Structure no. 1404

Built
1966
59 years old, rebuilt 1985
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
202 ft
3 main spans
Daily traffic
77,615
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 S over Cst Summit ST is a concrete continuous box beam or girders - single or spread carrying Is 35 S over Cst Summit ST in Jackson County, Missouri. It was built in 1966 and reconstructed in 1985, so it is 59 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 77,615 vehicles a day, roughly 18% of them trucks, projected to reach 104,780 by 2044. The structure is 202 ft (61.6 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIs 35 S
CrossesCst Summit ST
LocationS 7 T 49 N R 33 W
RouteInterstate 35
Coordinates39.07982, -94.59412
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.2 US tons
Inventory rating61.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span83 ft (25.3 m)
Deck width67 ft (20.5 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,615 (2024)
Projected traffic104,780 by 2044
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Summit ST built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1985.

What condition is Is 35 S over Cst Summit ST 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 2023.

How much traffic does Is 35 S over Cst Summit ST carry?

About 77,615 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 35 S over Cst Summit ST?

The structure is 202 ft (61.6 m) long with a longest span of 83 ft (25.3 m) and a deck 67 ft wide.

Who owns Is 35 S over Cst Summit ST?

It is owned by the State Highway Agency.