US Bridges

Co.Road 421 over Lizzard Creek

Fair

Lafayette County, Mississippi · Sec 22 T 9S R 2W B · Structure no. SA3600000000085

Built
2008
17 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
40 ft
2 main spans
Daily traffic
380
2022 count
Owner
County
County Highway Agency

About this bridge

Co.Road 421 over Lizzard Creek is a concrete culvert carrying Co.Road 421 over Lizzard Creek in Lafayette County, Mississippi. It was built in 2008, so it is 17 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 380 vehicles a day, roughly 3% of them trucks, projected to reach 570 by 2042. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCo.Road 421
CrossesLizzard Creek
LocationSec 22 T 9S R 2W B
RouteCounty Highway 85
CountyLafayette County
StateMississippi
Coordinates34.28922, -89.39061
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2022)
Projected traffic570 by 2042
Trucks3%
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 Co.Road 421 over Lizzard Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Co.Road 421 over Lizzard Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Co.Road 421 over Lizzard Creek carry?

About 380 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Co.Road 421 over Lizzard Creek?

The structure is 40 ft (12.1 m) long with a longest span of 18 ft (5.5 m).

Who owns Co.Road 421 over Lizzard Creek?

It is owned by the County Highway Agency.