US Bridges

Rt Zz E over Drain Dtch 4

Good

Scott County, Missouri · S 2 T 26 N R 13 E · Structure no. 36338

Built
2020
5 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
2,946
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz E over Drain Dtch 4 is a prestressed concrete box beam or girders - single or spread carrying Rt Zz E over Drain Dtch 4 in Scott County, Missouri. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,946 vehicles a day, roughly 14% of them trucks, projected to reach 4,272 by 2044. The structure is 79 ft (24.1 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRt Zz E
CrossesDrain Dtch 4
LocationS 2 T 26 N R 13 E
RouteState Highway 0ZZ
Coordinates36.91933, -89.63092
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length79 ft (24.1 m)
Longest span79 ft (24.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,946 (2024)
Projected traffic4,272 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Zz E over Drain Dtch 4 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Rt Zz E over Drain Dtch 4 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 January 2025.

How much traffic does Rt Zz E over Drain Dtch 4 carry?

About 2,946 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Rt Zz E over Drain Dtch 4?

The structure is 79 ft (24.1 m) long with a longest span of 79 ft (24.1 m) and a deck 31 ft wide.

Who owns Rt Zz E over Drain Dtch 4?

It is owned by the State Highway Agency.