US Bridges

SR 12 over Canal

Good

Washington County, Mississippi · 4.1 MI E SR 1 · Structure no. 310001207600520

Built
1960
65 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
580
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Canal is a concrete culvert carrying SR 12 over Canal 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 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 580 vehicles a day, roughly 16% of them trucks, projected to reach 580 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 23 mi (37 km).

CarriesSR 12
CrossesCanal
Location4.1 MI E SR 1
RouteState Highway 12
Coordinates33.16373, -90.99327
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2023)
Projected traffic580 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 12 over Canal built?

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

What condition is SR 12 over 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 November 2024.

How much traffic does SR 12 over Canal carry?

About 580 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR 12 over Canal?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 12 over Canal?

It is owned by the State Highway Agency.