US Bridges

CR 433 over Unnamed Crk

Good

Lewis County, Missouri · S 35 T 63 N R 8 W · Structure no. 36872

Built
2022
3 years old
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

CR 433 over Unnamed Crk is a concrete channel beam carrying CR 433 over Unnamed Crk in Lewis 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 94 by 2044. The structure is 40 ft (12.2 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 433
CrossesUnnamed Crk
LocationS 35 T 63 N R 8 W
RouteCounty Highway 433
Coordinates40.21806, -91.76194
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic94 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CR 433 over Unnamed Crk built?

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

What condition is CR 433 over Unnamed Crk 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 February 2024.

How much traffic does CR 433 over Unnamed Crk carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is CR 433 over Unnamed Crk?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 23 ft wide.

Who owns CR 433 over Unnamed Crk?

It is owned by the County Highway Agency.