US Bridges

US 169 N over Is 435

Fair

Clay County, Missouri · S 23 T 52 N R 33 W · Structure no. 2818

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
301 ft
2 main spans
Daily traffic
12,309
2024 count
Owner
State
State Highway Agency

About this bridge

US 169 N over Is 435 is a steel continuous stringer/multi-beam or girder carrying US 169 N over Is 435 in Clay County, Missouri. It was built in 1976, so it is 49 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 12,309 vehicles a day, roughly 9% of them trucks, projected to reach 22,156 by 2044. The structure is 301 ft (91.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 169 N
CrossesIs 435
LocationS 23 T 52 N R 33 W
RouteU.S. Route 169
Coordinates39.30969, -94.58428
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span130 ft (39.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,309 (2024)
Projected traffic22,156 by 2044
Trucks9%
Lanes on structure2
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 N over Is 435 built?

It was built in 1976, making it 49 years old in 2025.

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

About 12,309 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US 169 N over Is 435?

The structure is 301 ft (91.7 m) long with a longest span of 130 ft (39.6 m) and a deck 43 ft wide.

Who owns US 169 N over Is 435?

It is owned by the State Highway Agency.