US Bridges

Is 35 N over Holt CR

GoodPosted for load

Clay County, Missouri · S 11 T 53 N R 31 W · Structure no. 1102

Built
1965
60 years old, rebuilt 2009
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
3 main spans
Daily traffic
15,345
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 N over Holt CR is a steel continuous stringer/multi-beam or girder carrying Is 35 N over Holt CR in Clay County, Missouri. It was built in 1965 and reconstructed in 2009, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 15,345 vehicles a day, roughly 29% of them trucks, projected to reach 27,621 by 2044. The structure is 176 ft (53.6 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 35 N
CrossesHolt CR
LocationS 11 T 53 N R 31 W
RouteInterstate 35
Coordinates39.41235, -94.34807
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span68 ft (20.7 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,345 (2024)
Projected traffic27,621 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 Holt CR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2009.

What condition is Is 35 N over Holt CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

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

About 15,345 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is Is 35 N over Holt CR?

The structure is 176 ft (53.6 m) long with a longest span of 68 ft (20.7 m) and a deck 40 ft wide.

Who owns Is 35 N over Holt CR?

It is owned by the State Highway Agency.