US Bridges

Prospect Road over I 55

Fair

Montgomery County, Mississippi · 0.8 MI S Carroll Cl · Structure no. 410005504919240

Built
1963
62 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
266 ft
2 main spans
Daily traffic
60
2023 count
Owner
State
State Highway Agency

About this bridge

Prospect Road over I 55 is a concrete continuous box beam or girders - single or spread carrying Prospect Road over I 55 in Montgomery County, Mississippi. It was built in 1963, so it is 62 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 60 vehicles a day, roughly 13% of them trucks, projected to reach 60 by 2043. The structure is 266 ft (81.1 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesProspect Road
CrossesI 55
Location0.8 MI S Carroll Cl
RouteCounty Highway 0
Coordinates33.60414, -89.78298
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length266 ft (81.1 m)
Longest span75 ft (22.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic60 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$447 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Prospect Road over I 55 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Prospect Road 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 January 2023.

How much traffic does Prospect Road over I 55 carry?

About 60 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Prospect Road over I 55?

The structure is 266 ft (81.1 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns Prospect Road over I 55?

It is owned by the State Highway Agency.