US Bridges

County RD 143 over Troublesome CR

Good

Marion County, Missouri · S 23 T 59 N R 7 W · Structure no. 37423

Built
2025
0 years old
Condition
Good
inspected January 2025
Type
Tee Beam
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
25
2025 count
Owner
County
County Highway Agency

About this bridge

County RD 143 over Troublesome CR is a prestressed concrete tee beam carrying County RD 143 over Troublesome CR in Marion County, Missouri. It was built in 2025, so it is 0 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 31 by 2045. The structure is 100 ft (30.5 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesCounty RD 143
CrossesTroublesome CR
LocationS 23 T 59 N R 7 W
RouteCounty Highway 43
CountyMarion County
StateMissouri
Coordinates39.89947, -91.64449
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating66.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span96 ft (29.3 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2025)
Projected traffic31 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 143 over Troublesome CR built?

It was built in 2025, making it 0 years old in 2025.

What condition is County RD 143 over Troublesome CR 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 County RD 143 over Troublesome CR carry?

About 25 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is County RD 143 over Troublesome CR?

The structure is 100 ft (30.5 m) long with a longest span of 96 ft (29.3 m) and a deck 24 ft wide.

Who owns County RD 143 over Troublesome CR?

It is owned by the County Highway Agency.