US Bridges

SR 30 over Relief

Good

Union County, Mississippi · 6.8 MI E Lafayette Cl · Structure no. 310003007302440

Built
1948
77 years old, rebuilt 2008
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 30 over Relief is a concrete culvert carrying SR 30 over Relief in Union County, Mississippi. It was built in 1948 and reconstructed in 2008, so it is 77 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 5,500 vehicles a day, roughly 6% of them trucks, projected to reach 6,000 by 2043. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 30
CrossesRelief
Location6.8 MI E Lafayette Cl
RouteState Highway 30
Coordinates34.46721, -89.13936
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic6,000 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 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 30 over Relief built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2008.

What condition is SR 30 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 November 2023.

How much traffic does SR 30 over Relief carry?

About 5,500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 30 over Relief?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 30 over Relief?

It is owned by the State Highway Agency.