US Bridges

FAS628LAKE Wash over Washington Bayou

GoodPosted for load

Washington County, Mississippi · Sec 11 T14N R 8W B · Structure no. SA7600000000009

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
4 main spans
Daily traffic
340
2023 count
Owner
County
County Highway Agency

About this bridge

FAS628LAKE Wash over Washington Bayou is a prestressed concrete stringer/multi-beam or girder carrying FAS628LAKE Wash over Washington Bayou in Washington County, Mississippi. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 340 vehicles a day, roughly 8% of them trucks, projected to reach 476 by 2043. The structure is 180 ft (54.9 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesFAS628LAKE Wash
CrossesWashington Bayou
LocationSec 11 T14N R 8W B
RouteCounty Highway 628
Coordinates33.01187, -91.05551
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating41.4 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4 (+1 approach)
Design loadH 15
Structure length180 ft (54.9 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic476 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS628LAKE Wash over Washington Bayou built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAS628LAKE Wash over Washington 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 November 2024.

How much traffic does FAS628LAKE Wash over Washington Bayou carry?

About 340 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FAS628LAKE Wash over Washington Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns FAS628LAKE Wash over Washington Bayou?

It is owned by the County Highway Agency.