US Bridges

Rt Z E over Dry Wash

Good

Shannon County, Missouri · S 17 T 29 N R 6 W · Structure no. 7730

Built
1954
71 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
357
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z E over Dry Wash is a concrete continuous culvert carrying Rt Z E over Dry Wash in Shannon County, Missouri. It was built in 1954, so it is 71 years old, older 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 357 vehicles a day, roughly 10% of them trucks, projected to reach 500 by 2044. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Z E
CrossesDry Wash
LocationS 17 T 29 N R 6 W
RouteState Highway 0Z
Coordinates37.19341, -91.62541
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic357 (2024)
Projected traffic500 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Dry Wash built?

It was built in 1954, making it 71 years old in 2025.

What condition is Rt Z E over Dry Wash 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 December 2024.

How much traffic does Rt Z E over Dry Wash carry?

About 357 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Z E over Dry Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Rt Z E over Dry Wash?

It is owned by the State Highway Agency.