US Bridges

Rt Zz E over Drain Dtch 1 Dist

Poor

Scott County, Missouri · S 3 T 26 N R 13 E · Structure no. 6165

Built
1948
77 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
3 main spans
Daily traffic
605
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz E over Drain Dtch 1 Dist is a steel stringer/multi-beam or girder carrying Rt Zz E over Drain Dtch 1 Dist in Scott County, Missouri. It was built in 1948, so it is 77 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 605 vehicles a day, roughly 21% of them trucks, projected to reach 877 by 2044. The structure is 63 ft (19.2 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRt Zz E
CrossesDrain Dtch 1 Dist
LocationS 3 T 26 N R 13 E
RouteState Highway 0ZZ
Coordinates36.91894, -89.64705
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length63 ft (19.2 m)
Longest span23 ft (7.1 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic605 (2024)
Projected traffic877 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$774,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Zz E over Drain Dtch 1 Dist built?

It was built in 1948, making it 77 years old in 2025.

What condition is Rt Zz E over Drain Dtch 1 Dist in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Rt Zz E over Drain Dtch 1 Dist carry?

About 605 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Rt Zz E over Drain Dtch 1 Dist?

The structure is 63 ft (19.2 m) long with a longest span of 23 ft (7.1 m) and a deck 25 ft wide.

Who owns Rt Zz E over Drain Dtch 1 Dist?

It is owned by the State Highway Agency.