US Bridges

US 71 N over Cst E 29th ST

Good

Jackson County, Missouri · S 16 T 49 N R 33 W · Structure no. 12000

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
42,314
2024 count
Owner
State
State Highway Agency

About this bridge

US 71 N over Cst E 29th ST is a prestressed concrete continuous stringer/multi-beam or girder carrying US 71 N over Cst E 29th ST in Jackson County, Missouri. It was built in 1999, so it is 26 years old, younger 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.

It carries about 42,314 vehicles a day, roughly 6% of them trucks, projected to reach 57,124 by 2044. The structure is 195 ft (59.4 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 71 N
CrossesCst E 29th ST
LocationS 16 T 49 N R 33 W
RouteU.S. Route 71
Coordinates39.07379, -94.56114
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.2 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length195 ft (59.4 m)
Longest span78 ft (23.8 m)
Deck width57 ft (17.5 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,314 (2024)
Projected traffic57,124 by 2044
Trucks6%
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 71 N over Cst E 29th ST built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 71 N over Cst E 29th ST 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 August 2023.

How much traffic does US 71 N over Cst E 29th ST carry?

About 42,314 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is US 71 N over Cst E 29th ST?

The structure is 195 ft (59.4 m) long with a longest span of 78 ft (23.8 m) and a deck 57 ft wide.

Who owns US 71 N over Cst E 29th ST?

It is owned by the State Highway Agency.