US Bridges

I 55 over Harris Creek

Good

Hinds County, Mississippi · 4.7 MI N Copiah Cl · Structure no. 11000550250784B

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
267 ft
1 main span
Daily traffic
16,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Harris Creek is a prestressed concrete stringer/multi-beam or girder carrying I 55 over Harris Creek in Hinds County, Mississippi. It was built in 1996, so it is 29 years old, younger 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 16,000 vehicles a day, roughly 21% of them trucks, projected to reach 16,500 by 2043. The structure is 267 ft (81.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesHarris Creek
Location4.7 MI N Copiah Cl
RouteInterstate 55
Coordinates32.10894, -90.29884
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.4 US tons
Inventory rating28.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20 + Mod
Structure length267 ft (81.4 m)
Longest span105 ft (32 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2023)
Projected traffic16,500 by 2043
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Harris Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is I 55 over Harris Creek 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 June 2024.

How much traffic does I 55 over Harris Creek carry?

About 16,000 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I 55 over Harris Creek?

The structure is 267 ft (81.4 m) long with a longest span of 105 ft (32 m) and a deck 45 ft wide.

Who owns I 55 over Harris Creek?

It is owned by the State Highway Agency.