US Bridges

SR 1 over Drainage Canal

Good

Washington County, Mississippi · 2.7 MI N SR 438 · Structure no. 310000107605920

Built
1992
33 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
1 main span
Daily traffic
4,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Drainage Canal is a prestressed concrete stringer/multi-beam or girder carrying SR 1 over Drainage Canal in Washington County, Mississippi. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,300 vehicles a day, roughly 14% of them trucks, projected to reach 4,300 by 2043. The structure is 142 ft (43.3 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 1
CrossesDrainage Canal
Location2.7 MI N SR 438
RouteState Highway 1
Coordinates33.30932, -91.04345
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.1 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span60 ft (18.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic4,300 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 1 over Drainage Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 1 over Drainage Canal 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 December 2024.

How much traffic does SR 1 over Drainage Canal carry?

About 4,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 1 over Drainage Canal?

The structure is 142 ft (43.3 m) long with a longest span of 60 ft (18.3 m) and a deck 47 ft wide.

Who owns SR 1 over Drainage Canal?

It is owned by the State Highway Agency.