US Bridges

FAS 626 Riverside over Granicus Bayou

FairPosted for load

Washington County, Mississippi · Sec 23 T16N R 8W B · Structure no. SA7600000000145

Built
1960
65 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
530
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 626 Riverside over Granicus Bayou is a prestressed concrete stringer/multi-beam or girder carrying FAS 626 Riverside over Granicus Bayou in Washington County, Mississippi. It was built in 1960, so it is 65 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 530 vehicles a day, roughly 8% of them trucks, projected to reach 742 by 2042. The structure is 158 ft (48.2 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 626 Riverside
CrossesGranicus Bayou
LocationSec 23 T16N R 8W B
RouteCounty Highway 626
Coordinates33.22031, -91.02541
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.8 US tons
Inventory rating20.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+2 approach)
Design loadH 15
Structure length158 ft (48.2 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2022)
Projected traffic742 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 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 626 Riverside over Granicus Bayou built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAS 626 Riverside over Granicus 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 February 2023.

How much traffic does FAS 626 Riverside over Granicus Bayou carry?

About 530 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS 626 Riverside over Granicus Bayou?

The structure is 158 ft (48.2 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns FAS 626 Riverside over Granicus Bayou?

It is owned by the County Highway Agency.