US Bridges

SR 43 over Relief

Good

Madison County, Mississippi · 9.5 MI N SR 16 · Structure no. 310004304520260

Built
1971
54 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 43 over Relief is a concrete culvert carrying SR 43 over Relief in Madison County, Mississippi. It was built in 1971, so it is 54 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.

It carries about 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 1,900 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSR 43
CrossesRelief
Location9.5 MI N SR 16
RouteState Highway 43
Coordinates32.69494, -89.88417
Functional classRural Major Collector

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.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.8 US tons
Inventory rating51.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 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 traffic1,900 (2023)
Projected traffic1,900 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed19.3 mi (31 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 43 over Relief built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 43 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 May 2024.

How much traffic does SR 43 over Relief carry?

About 1,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 43 over Relief?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns SR 43 over Relief?

It is owned by the State Highway Agency.