US Bridges

Rt Zz S over Main Drain Dtch

FairPosted for load

Stoddard County, Missouri · S 19 T 25 N R 10 E · Structure no. 7339

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
594
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Zz S over Main Drain Dtch is a concrete channel beam carrying Rt Zz S over Main Drain Dtch in Stoddard County, Missouri. It was built in 1961, 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. Its operating status is: posted for load restriction.

It carries about 594 vehicles a day, roughly 8% of them trucks, projected to reach 832 by 2044. The structure is 102 ft (31.1 m) long and 22 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesRt Zz S
CrossesMain Drain Dtch
LocationS 19 T 25 N R 10 E
RouteState Highway 0ZZ
CountyStoddard County
StateMissouri
Coordinates36.80057, -90.02522
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic594 (2024)
Projected traffic832 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Zz S over Main Drain Dtch built?

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

What condition is Rt Zz S over Main Drain Dtch 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 October 2023.

How much traffic does Rt Zz S over Main Drain Dtch carry?

About 594 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt Zz S over Main Drain Dtch?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 22 ft wide.

Who owns Rt Zz S over Main Drain Dtch?

It is owned by the State Highway Agency.