US Bridges

S 3rd @ Brierton over Trib of Plattin CR

Good

Jefferson County, Missouri · S 315 T 40 N R 6 E · Structure no. 36924

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel Continuous
Length
38 ft
2 main spans
Daily traffic
750
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

S 3rd @ Brierton over Trib of Plattin CR is a steel continuous culvert carrying S 3rd @ Brierton over Trib of Plattin CR in Jefferson County, Missouri. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 750 vehicles a day, roughly 5% of them trucks, projected to reach 1,275 by 2043. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesS 3rd @ Brierton
CrossesTrib of Plattin CR
LocationS 315 T 40 N R 6 E
RouteCity Street 143
CountyJefferson County
StateMissouri
Coordinates38.21797, -90.38897
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,275 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 S 3rd @ Brierton over Trib of Plattin CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is S 3rd @ Brierton over Trib of Plattin 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 March 2023.

How much traffic does S 3rd @ Brierton over Trib of Plattin CR carry?

About 750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S 3rd @ Brierton over Trib of Plattin CR?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m) and a deck 24 ft wide.

Who owns S 3rd @ Brierton over Trib of Plattin CR?

It is owned by the City or Municipal Highway Agency.