US Bridges

I 55 over Relief

Fair

Holmes County, Mississippi · 3.3 MI N SR 432 · Structure no. 110005502614110

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
18,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Relief is a concrete culvert carrying I 55 over Relief in Holmes 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,000 vehicles a day, roughly 30% of them trucks, projected to reach 19,000 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesRelief
Location3.3 MI N SR 432
RouteInterstate 55
Coordinates32.92147, -89.99738
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75.4 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 traffic18,000 (2023)
Projected traffic19,000 by 2043
Trucks30%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 55 over Relief built?

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

What condition is I 55 over Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does I 55 over Relief carry?

About 18,000 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I 55 over Relief?

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

Who owns I 55 over Relief?

It is owned by the State Highway Agency.