US Bridges

FAS624 Avondarlove over Black Bayou

Poor

Washington County, Mississippi · Sec 29 T16N R 7W B · Structure no. SA7600000000137

Built
1968
57 years old, rebuilt 2010
Condition
Poor
inspected February 2023
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

FAS624 Avondarlove over Black Bayou is a concrete channel beam carrying FAS624 Avondarlove over Black Bayou in Washington County, Mississippi. It was built in 1968 and reconstructed in 2010, so it is 57 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 160 vehicles a day, roughly 8% of them trucks, projected to reach 240 by 2041. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFAS624 Avondarlove
CrossesBlack Bayou
LocationSec 29 T16N R 7W B
RouteCounty Highway 624
Coordinates33.21232, -90.94319
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic240 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$500,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS624 Avondarlove over Black Bayou built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2010.

What condition is FAS624 Avondarlove over Black Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does FAS624 Avondarlove over Black Bayou carry?

About 160 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FAS624 Avondarlove over Black Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns FAS624 Avondarlove over Black Bayou?

It is owned by the County Highway Agency.