US Bridges

SR 350 over Relief

Good

Tishomingo County, Mississippi · 0.3 MI E Alcorn Cl · Structure no. 310035007100620

Built
1980
45 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 350 over Relief is a concrete culvert carrying SR 350 over Relief in Tishomingo County, Mississippi. It was built in 1980, so it is 45 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 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 2,300 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSR 350
CrossesRelief
Location0.3 MI E Alcorn Cl
RouteState Highway 350
Coordinates34.99008, -88.35916
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 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 traffic2,300 (2023)
Projected traffic2,300 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed24.9 mi (40 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 350 over Relief built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 350 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 2023.

How much traffic does SR 350 over Relief carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 350 over Relief?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns SR 350 over Relief?

It is owned by the State Highway Agency.