US Bridges

US 169 N over Cst NW Briarcliff Pkwy

Fair

Clay County, Missouri · S 3 T 50 N R 33 W · Structure no. 1311

Built
1965
60 years old, rebuilt 1975
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
248 ft
3 main spans
Daily traffic
19,324
2024 count
Owner
State
State Highway Agency

About this bridge

US 169 N over Cst NW Briarcliff Pkwy is a concrete continuous box beam or girders - single or spread carrying US 169 N over Cst NW Briarcliff Pkwy in Clay County, Missouri. It was built in 1965 and reconstructed in 1975, 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 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 19,324 vehicles a day, roughly 5% of them trucks, projected to reach 34,783 by 2044. The structure is 248 ft (75.6 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 169 N
CrossesCst NW Briarcliff Pkwy
LocationS 3 T 50 N R 33 W
RouteU.S. Route 169
CountyClay County
StateMissouri
Coordinates39.16942, -94.59468
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span101 ft (30.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,324 (2024)
Projected traffic34,783 by 2044
Trucks5%
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 Cst NW Briarcliff Pkwy built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1975.

What condition is US 169 N over Cst NW Briarcliff Pkwy 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 Cst NW Briarcliff Pkwy carry?

About 19,324 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is US 169 N over Cst NW Briarcliff Pkwy?

The structure is 248 ft (75.6 m) long with a longest span of 101 ft (30.8 m) and a deck 34 ft wide.

Who owns US 169 N over Cst NW Briarcliff Pkwy?

It is owned by the State Highway Agency.