US Bridges

SR 48 over I 55

Fair

Pike County, Mississippi · SR 48 WB over I 55 · Structure no. 31000480570391A

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
275 ft
4 main spans
Daily traffic
355
2023 count
Owner
State
State Highway Agency

About this bridge

SR 48 over I 55 is a concrete continuous box beam or girders - single or spread carrying SR 48 over I 55 in Pike County, Mississippi. It was built in 1960, so it is 65 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 355 vehicles a day, roughly 11% of them trucks, projected to reach 355 by 2043. The structure is 275 ft (83.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 48
CrossesI 55
LocationSR 48 WB over I 55
RouteState Highway 48
Coordinates31.14639, -90.47928
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length275 ft (83.8 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (2023)
Projected traffic355 by 2043
Trucks11%
Lanes on structure20
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 48 over I 55 built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 48 over I 55 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 November 2024.

How much traffic does SR 48 over I 55 carry?

About 355 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 48 over I 55?

The structure is 275 ft (83.8 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns SR 48 over I 55?

It is owned by the State Highway Agency.