US Bridges

Is 35 S over Big Shoal CR

Fair

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 6310

Built
1958
67 years old, rebuilt 2015
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
3 main spans
Daily traffic
34,466
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 S over Big Shoal CR is a steel continuous stringer/multi-beam or girder carrying Is 35 S over Big Shoal CR in Clay County, Missouri. It was built in 1958 and reconstructed in 2015, so it is 67 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.

It carries about 34,466 vehicles a day, roughly 16% of them trucks, projected to reach 62,039 by 2044. The structure is 207 ft (63.1 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 35 S
CrossesBig Shoal CR
LocationS 27 T 51 N R 32 W
RouteInterstate 35
Coordinates39.20977, -94.48433
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length207 ft (63.1 m)
Longest span76 ft (23.2 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,466 (2024)
Projected traffic62,039 by 2044
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 35 S over Big Shoal CR built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2015.

What condition is Is 35 S over Big Shoal CR 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 Big Shoal CR carry?

About 34,466 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Is 35 S over Big Shoal CR?

The structure is 207 ft (63.1 m) long with a longest span of 76 ft (23.2 m) and a deck 52 ft wide.

Who owns Is 35 S over Big Shoal CR?

It is owned by the State Highway Agency.