US Bridges

FAS 624AVONDARLOVE over Black Bayou

Good

Washington County, Mississippi · Sec 21 T16N R 7W B · Structure no. SA7600000000133

Built
1968
57 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
4 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 624AVONDARLOVE over Black Bayou is a prestressed concrete stringer/multi-beam or girder carrying FAS 624AVONDARLOVE over Black Bayou in Washington County, Mississippi. It was built in 1968, 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 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 120 vehicles a day, roughly 8% of them trucks, projected to reach 168 by 2042. The structure is 160 ft (48.8 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFAS 624AVONDARLOVE
CrossesBlack Bayou
LocationSec 21 T16N R 7W B
RouteCounty Highway 624
Coordinates33.21254, -90.93491
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum 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 alignment7: Better than present minimum criteria
Operating rating64.4 US tons
Inventory rating23.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic168 by 2042
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 624AVONDARLOVE over Black Bayou built?

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

What condition is FAS 624AVONDARLOVE over Black Bayou 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 FAS 624AVONDARLOVE over Black Bayou carry?

About 120 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS 624AVONDARLOVE over Black Bayou?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns FAS 624AVONDARLOVE over Black Bayou?

It is owned by the County Highway Agency.