US Bridges

SR 15 over Relief

GoodClosed to traffic

Union County, Mississippi · 0.7 MI N Pontotoc Cl · Structure no. 310001507328780

Built
1970
55 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
9,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Relief is a concrete slab carrying SR 15 over Relief in Union County, Mississippi. It was built in 1970, so it is 55 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: closed to all traffic.

It carries about 9,300 vehicles a day, roughly 14% of them trucks, projected to reach 10,000 by 2043. The structure is 140 ft (42.7 m) long and 42 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesSR 15
CrossesRelief
Location0.7 MI N Pontotoc Cl
RouteState Highway 15
Coordinates34.38966, -89.01916
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating80.7 US tons
Inventory rating48.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2023)
Projected traffic10,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed29.2 mi (47 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 built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 15 over Relief 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 2023.

How much traffic does SR 15 over Relief carry?

About 9,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 15 over Relief?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns SR 15 over Relief?

It is owned by the State Highway Agency.