US Bridges

Augusta Bottom RD over Trib Missouri Rvr

Good

St. Charles County, Missouri · S 17 T 44 N R 1 E · Structure no. 37335

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
34 ft
1 main span
Daily traffic
363
2024 count
Owner
County
County Highway Agency

About this bridge

Augusta Bottom RD over Trib Missouri Rvr is a aluminum, wrought iron, or cast iron culvert carrying Augusta Bottom RD over Trib Missouri Rvr in St. Charles County, Missouri. It was built in 2024, so it is 1 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 363 vehicles a day, roughly 10% of them trucks, projected to reach 799 by 2044. The structure is 34 ft (10.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAugusta Bottom RD
CrossesTrib Missouri Rvr
LocationS 17 T 44 N R 1 E
RouteCounty Highway 365
Coordinates38.5689, -90.94672
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
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
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span28 ft (8.5 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic363 (2024)
Projected traffic799 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Augusta Bottom RD over Trib Missouri Rvr built?

It was built in 2024, making it 1 years old in 2025.

What condition is Augusta Bottom RD over Trib Missouri Rvr 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 August 2024.

How much traffic does Augusta Bottom RD over Trib Missouri Rvr carry?

About 363 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Augusta Bottom RD over Trib Missouri Rvr?

The structure is 34 ft (10.5 m) long with a longest span of 28 ft (8.5 m) and a deck 40 ft wide.

Who owns Augusta Bottom RD over Trib Missouri Rvr?

It is owned by the County Highway Agency.