US Bridges

Mo 143 S over Dry CR

Fair

Wayne County, Missouri · S 5 T 29 N R 5 E · Structure no. 9117

Built
1936
89 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
590
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 143 S over Dry CR is a concrete tee beam carrying Mo 143 S over Dry CR in Wayne County, Missouri. It was built in 1936, so it is 89 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.

It carries about 590 vehicles a day, roughly 6% of them trucks, projected to reach 856 by 2044. The structure is 93 ft (28.3 m) long and 27 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesMo 143 S
CrossesDry CR
LocationS 5 T 29 N R 5 E
RouteState Highway 143
Coordinates37.21812, -90.53239
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length93 ft (28.3 m)
Longest span37 ft (11.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2024)
Projected traffic856 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 Mo 143 S over Dry CR built?

It was built in 1936, making it 89 years old in 2025.

What condition is Mo 143 S over Dry CR 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 December 2023.

How much traffic does Mo 143 S over Dry CR carry?

About 590 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 143 S over Dry CR?

The structure is 93 ft (28.3 m) long with a longest span of 37 ft (11.4 m) and a deck 27 ft wide.

Who owns Mo 143 S over Dry CR?

It is owned by the State Highway Agency.