US Bridges

SR 48 over NW Ramp I 55

Good

Pike County, Mississippi · SR 48 over NW Ramp I 55 · Structure no. 310004805703900

Built
1960
65 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
120 ft
3 main spans
Daily traffic
710
2023 count
Owner
State
State Highway Agency

About this bridge

SR 48 over NW Ramp I 55 is a concrete slab carrying SR 48 over NW Ramp 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 710 vehicles a day, roughly 11% of them trucks, projected to reach 710 by 2043. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 48
CrossesNW Ramp I 55
LocationSR 48 over NW Ramp I 55
RouteState Highway 48
Coordinates31.1478, -90.48152
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.4 US tons
Inventory rating51.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2023)
Projected traffic710 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 NW Ramp I 55 built?

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

What condition is SR 48 over NW Ramp I 55 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SR 48 over NW Ramp I 55 carry?

About 710 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 48 over NW Ramp I 55?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns SR 48 over NW Ramp I 55?

It is owned by the State Highway Agency.