US Bridges

49th Ave over I 59/I 20

Fair

Lauderdale County, Mississippi · 0.5 MI E US 11 · Structure no. 51000590381508B

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
274 ft
4 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

49th Ave over I 59/I 20 is a prestressed concrete stringer/multi-beam or girder carrying 49th Ave over I 59/I 20 in Lauderdale County, Mississippi. It was built in 1973, so it is 52 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 2,900 vehicles a day, roughly 42% of them trucks, projected to reach 2,900 by 2043. The structure is 274 ft (83.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries49th Ave
CrossesI 59/I 20
Location0.5 MI E US 11
RouteCity Street 0
Coordinates32.34867, -88.72671
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.4 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span77 ft (23.5 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic2,900 by 2043
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 49th Ave over I 59/I 20 built?

It was built in 1973, making it 52 years old in 2025.

What condition is 49th Ave over I 59/I 20 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 May 2023.

How much traffic does 49th Ave over I 59/I 20 carry?

About 2,900 vehicles per day (2023 count), of which roughly 42% are trucks.

How long is 49th Ave over I 59/I 20?

The structure is 274 ft (83.5 m) long with a longest span of 77 ft (23.5 m) and a deck 42 ft wide.

Who owns 49th Ave over I 59/I 20?

It is owned by the State Highway Agency.