US Bridges

US 71 N over Rt W

Fair

Jackson County, Missouri · S 26 T 48 N R 33 W · Structure no. 6682

Built
1961
64 years old, rebuilt 1984
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
217 ft
4 main spans
Daily traffic
40,003
2024 count
Owner
State
State Highway Agency

About this bridge

US 71 N over Rt W is a concrete continuous slab carrying US 71 N over Rt W in Jackson County, Missouri. It was built in 1961 and reconstructed in 1984, so it is 64 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 40,003 vehicles a day, roughly 6% of them trucks, projected to reach 54,004 by 2044. The structure is 217 ft (66 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 71 N
CrossesRt W
LocationS 26 T 48 N R 33 W
RouteU.S. Route 71
Coordinates38.95368, -94.53988
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length217 ft (66 m)
Longest span56 ft (17.1 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,003 (2024)
Projected traffic54,004 by 2044
Trucks6%
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 71 N over Rt W built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1984.

What condition is US 71 N over Rt W 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 2023.

How much traffic does US 71 N over Rt W carry?

About 40,003 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is US 71 N over Rt W?

The structure is 217 ft (66 m) long with a longest span of 56 ft (17.1 m) and a deck 35 ft wide.

Who owns US 71 N over Rt W?

It is owned by the State Highway Agency.