US Bridges

Is 35 N over Shoal CR

Fair

Clinton County, Missouri · S 11 T 56 N R 30 W · Structure no. 738

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
4 main spans
Daily traffic
11,659
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 N over Shoal CR is a steel continuous stringer/multi-beam or girder carrying Is 35 N over Shoal CR in Clinton County, Missouri. It was built in 1963 and reconstructed in 2009, so it is 62 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 11,659 vehicles a day, roughly 29% of them trucks, projected to reach 24,484 by 2044. The structure is 239 ft (72.8 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 35 N
CrossesShoal CR
LocationS 11 T 56 N R 30 W
RouteInterstate 35
CountyClinton County
StateMissouri
Coordinates39.67365, -94.23409
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating50.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span70 ft (21.3 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,659 (2024)
Projected traffic24,484 by 2044
Trucks29%
Lanes on structure2
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 N over Shoal CR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Is 35 N over 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 October 2024.

How much traffic does Is 35 N over Shoal CR carry?

About 11,659 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is Is 35 N over Shoal CR?

The structure is 239 ft (72.8 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns Is 35 N over Shoal CR?

It is owned by the State Highway Agency.