US Bridges

Rt Z E over Sandy CR

Good

Jefferson County, Missouri · S 421 T 41 N R 5 E · Structure no. 29639

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
208 ft
3 main spans
Daily traffic
8,584
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z E over Sandy CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Z E over Sandy CR in Jefferson County, Missouri. It was built in 2003, so it is 22 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 8,584 vehicles a day, roughly 7% of them trucks, projected to reach 14,593 by 2044. The structure is 208 ft (63.4 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRt Z E
CrossesSandy CR
LocationS 421 T 41 N R 5 E
RouteState Highway 0Z
Coordinates38.27734, -90.42363
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span70 ft (21.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,584 (2024)
Projected traffic14,593 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Z E over Sandy CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Rt Z E over Sandy CR 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 November 2024.

How much traffic does Rt Z E over Sandy CR carry?

About 8,584 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt Z E over Sandy CR?

The structure is 208 ft (63.4 m) long with a longest span of 70 ft (21.2 m) and a deck 43 ft wide.

Who owns Rt Z E over Sandy CR?

It is owned by the State Highway Agency.