US Bridges

Lucy Webb RD over Tributary

Good

Cass County, Missouri · S 17 T 46 N R 32 W · Structure no. 31916

Built
2006
19 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
49 ft
5 main spans
Daily traffic
7,800
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lucy Webb RD over Tributary is a concrete continuous culvert carrying Lucy Webb RD over Tributary in Cass County, Missouri. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,800 vehicles a day, roughly 5% of them trucks, projected to reach 12,480 by 2044. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLucy Webb RD
CrossesTributary
LocationS 17 T 46 N R 32 W
RouteCity Street 0
Coordinates38.79785, -94.48352
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2024)
Projected traffic12,480 by 2044
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Lucy Webb RD over Tributary built?

It was built in 2006, making it 19 years old in 2025.

What condition is Lucy Webb RD over Tributary 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 April 2023.

How much traffic does Lucy Webb RD over Tributary carry?

About 7,800 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Lucy Webb RD over Tributary?

The structure is 49 ft (14.9 m) long with a longest span of 13 ft (4 m).

Who owns Lucy Webb RD over Tributary?

It is owned by the City or Municipal Highway Agency.