US Bridges

US 45/US 82 over Relief Stream

Fair

Lowndes County, Mississippi · 2.6 MI E JCT US 45S/US 82 · Structure no. 21000450441616B

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
5 main spans
Daily traffic
15,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 45/US 82 over Relief Stream is a prestressed concrete stringer/multi-beam or girder carrying US 45/US 82 over Relief Stream in Lowndes County, Mississippi. It was built in 1965, so it is 60 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 15,500 vehicles a day, roughly 15% of them trucks, projected to reach 20,000 by 2043. The structure is 302 ft (92.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 45/US 82
CrossesRelief Stream
Location2.6 MI E JCT US 45S/US 82
RouteU.S. Route 45
Coordinates33.49636, -88.44997
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.4 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92.1 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic20,000 by 2043
Trucks15%
Lanes on structure20
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$511 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 45/US 82 over Relief Stream built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 45/US 82 over Relief Stream 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 October 2024.

How much traffic does US 45/US 82 over Relief Stream carry?

About 15,500 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 45/US 82 over Relief Stream?

The structure is 302 ft (92.1 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns US 45/US 82 over Relief Stream?

It is owned by the State Highway Agency.