US Bridges

SR 438 over Canal No 9

Fair

Washington County, Mississippi · 1.5 MI E SR 1 · Structure no. 310043807600150

Built
1978
47 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
5 main spans
Daily traffic
3,700
2023 count
Owner
State
State Highway Agency

About this bridge

SR 438 over Canal No 9 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 438 over Canal No 9 in Washington County, Mississippi. It was built in 1978, so it is 47 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,700 vehicles a day, roughly 14% of them trucks, projected to reach 3,700 by 2043. The structure is 182 ft (55.5 m) long and 41 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesSR 438
CrossesCanal No 9
Location1.5 MI E SR 1
RouteState Highway 438
CountyWashington County
StateMississippi
Coordinates33.2692, -91.00821
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating58.9 US tons
Inventory rating50.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span36 ft (11 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2023)
Projected traffic3,700 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 438 over Canal No 9 built?

It was built in 1978, making it 47 years old in 2025.

What condition is SR 438 over Canal No 9 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 2024.

How much traffic does SR 438 over Canal No 9 carry?

About 3,700 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 438 over Canal No 9?

The structure is 182 ft (55.5 m) long with a longest span of 36 ft (11 m) and a deck 41 ft wide.

Who owns SR 438 over Canal No 9?

It is owned by the State Highway Agency.