US Bridges

SR 15 over Relief for Canal

Fair

Neshoba County, Mississippi · 0.1 MI N SR 16 East · Structure no. 31000150501659B

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
5 main spans
Daily traffic
9,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Relief for Canal is a prestressed concrete stringer/multi-beam or girder carrying SR 15 over Relief for Canal in Neshoba County, Mississippi. It was built in 1975, so it is 50 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 9,500 vehicles a day, roughly 6% of them trucks, projected to reach 9,500 by 2043. The structure is 202 ft (61.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 15
CrossesRelief for Canal
Location0.1 MI N SR 16 East
RouteState Highway 15
Coordinates32.76827, -89.13668
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic9,500 by 2043
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 15 over Relief for Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 15 over Relief for Canal 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 September 2023.

How much traffic does SR 15 over Relief for Canal carry?

About 9,500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 15 over Relief for Canal?

The structure is 202 ft (61.6 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns SR 15 over Relief for Canal?

It is owned by the State Highway Agency.