US Bridges

FAS 699 S Christ over Black Bayou

FairPosted for load

Washington County, Mississippi · Sec 19 T18N R 7W B · Structure no. SA7600000000234

Built
1958
67 years old, rebuilt 2010
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
540
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 699 S Christ over Black Bayou is a concrete channel beam carrying FAS 699 S Christ over Black Bayou in Washington County, Mississippi. It was built in 1958 and reconstructed in 2010, so it is 67 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 540 vehicles a day, roughly 8% of them trucks, projected to reach 756 by 2042. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 699 S Christ
CrossesBlack Bayou
LocationSec 19 T18N R 7W B
RouteCounty Highway 699
Coordinates33.39307, -90.96474
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2022)
Projected traffic756 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 699 S Christ over Black Bayou built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2010.

What condition is FAS 699 S Christ over Black Bayou 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 November 2023.

How much traffic does FAS 699 S Christ over Black Bayou carry?

About 540 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS 699 S Christ over Black Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns FAS 699 S Christ over Black Bayou?

It is owned by the County Highway Agency.