US Bridges

FAS 616 Priscilla over Williams Bayou

Good

Washington County, Mississippi · Sec 17 T19N R 8W B · Structure no. SA760000000A309

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
155 ft
5 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 616 Priscilla over Williams Bayou is a concrete channel beam carrying FAS 616 Priscilla over Williams Bayou in Washington County, Mississippi. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 8% of them trucks, projected to reach 260 by 2041. The structure is 155 ft (47.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 616 Priscilla
CrossesWilliams Bayou
LocationSec 17 T19N R 8W B
RouteCounty Highway 616
Coordinates33.50191, -91.05601
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic260 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 616 Priscilla over Williams Bayou built?

It was built in 2021, making it 4 years old in 2025.

What condition is FAS 616 Priscilla over Williams 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 May 2023.

How much traffic does FAS 616 Priscilla over Williams Bayou carry?

About 40 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAS 616 Priscilla over Williams Bayou?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns FAS 616 Priscilla over Williams Bayou?

It is owned by the County Highway Agency.