US Bridges

SR 13 over Relief

PoorPosted for load

Rankin County, Mississippi · 0.2 MI S SR 18 · Structure no. 310001306111040

Built
1957
68 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 13 over Relief is a concrete tee beam carrying SR 13 over Relief in Rankin County, Mississippi. It was built in 1957, so it is 68 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,800 vehicles a day, roughly 14% of them trucks, projected to reach 3,300 by 2043. The structure is 90 ft (27.4 m) long and 31 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesSR 13
CrossesRelief
Location0.2 MI S SR 18
RouteState Highway 13
Coordinates32.07863, -89.77846
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.7 US tons
Inventory rating20.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic3,300 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed28 mi (45 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$240 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 13 over Relief built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 13 over Relief in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does SR 13 over Relief carry?

About 2,800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 13 over Relief?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns SR 13 over Relief?

It is owned by the State Highway Agency.