US Bridges

I 55 over County Road 87

Fair

Carroll County, Mississippi · 2.6 MI S SR 35 · Structure no. 11000550081708A

Built
1971
54 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
1 main span
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over County Road 87 is a prestressed concrete stringer/multi-beam or girder carrying I 55 over County Road 87 in Carroll County, Mississippi. It was built in 1971, so it is 54 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 5 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 8,000 vehicles a day, roughly 26% of them trucks, projected to reach 8,000 by 2043. The structure is 182 ft (55.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesCounty Road 87
Location2.6 MI S SR 35
RouteInterstate 55
Coordinates33.30019, -89.78457
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic8,000 by 2043
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 55 over County Road 87 built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 55 over County Road 87 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 December 2024.

How much traffic does I 55 over County Road 87 carry?

About 8,000 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is I 55 over County Road 87?

The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns I 55 over County Road 87?

It is owned by the State Highway Agency.