US Bridges

SR 178 over Relief

PoorPosted for load

Itawamba County, Mississippi · 7.0 MI E Lee Cl · Structure no. 310017802910570

Built
1938
87 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
10 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

SR 178 over Relief is a steel stringer/multi-beam or girder carrying SR 178 over Relief in Itawamba County, Mississippi. It was built in 1938, so it is 87 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2043. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 178
CrossesRelief
Location7.0 MI E Lee Cl
RouteState Highway 178
Coordinates34.27141, -88.43224
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic150 by 2043
Trucks10%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$255 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 178 over Relief built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 178 over Relief in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does SR 178 over Relief carry?

About 150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 178 over Relief?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns SR 178 over Relief?

It is owned by the State Highway Agency.