US Bridges

US 169 S over Is 435

Fair

Clay County, Missouri · S 22 T 52 N R 33 W · Structure no. 2817

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
298 ft
2 main spans
Daily traffic
12,498
2024 count
Owner
State
State Highway Agency

About this bridge

US 169 S over Is 435 is a steel continuous stringer/multi-beam or girder carrying US 169 S over Is 435 in Clay County, Missouri. It was built in 1981, so it is 44 years old, younger 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 12,498 vehicles a day, roughly 13% of them trucks, projected to reach 22,496 by 2044. The structure is 298 ft (90.8 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 169 S
CrossesIs 435
LocationS 22 T 52 N R 33 W
RouteU.S. Route 169
Coordinates39.30964, -94.58461
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length298 ft (90.8 m)
Longest span132 ft (40.2 m)
Deck width51 ft (15.6 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,498 (2024)
Projected traffic22,496 by 2044
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 169 S over Is 435 built?

It was built in 1981, making it 44 years old in 2025.

What condition is US 169 S over Is 435 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 US 169 S over Is 435 carry?

About 12,498 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US 169 S over Is 435?

The structure is 298 ft (90.8 m) long with a longest span of 132 ft (40.2 m) and a deck 51 ft wide.

Who owns US 169 S over Is 435?

It is owned by the State Highway Agency.