US Bridges

SR 30 over Relief

Good

Union County, Mississippi · 0.8 MI E Lafayette Cl · Structure no. 310003007301830

Built
1978
47 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,900
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 1978, so it is 47 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 2,900 vehicles a day, roughly 14% of them trucks, projected to reach 3,100 by 2043. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 30
CrossesRelief
Location0.8 MI E Lafayette Cl
RouteState Highway 30
Coordinates34.47369, -89.23613
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic3,100 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed26.7 mi (43 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 1978, making it 47 years old in 2025.

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 2,900 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 30 over Relief?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m).

Who owns SR 30 over Relief?

It is owned by the State Highway Agency.