US Bridges

I 55 over Three Mile Creek

Fair

Hinds County, Mississippi · 0.2 MI N Mcdowell RD · Structure no. 110005502509090

Built
1956
69 years old, rebuilt 1969
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
117,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Three Mile Creek is a concrete culvert carrying I 55 over Three Mile Creek in Hinds County, Mississippi. It was built in 1956 and reconstructed in 1969, so it is 69 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 117,000 vehicles a day, roughly 16% of them trucks, projected to reach 128,000 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesThree Mile Creek
Location0.2 MI N Mcdowell RD
RouteInterstate 55
Coordinates32.27039, -90.21022
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117,000 (2023)
Projected traffic128,000 by 2043
Trucks16%
Lanes on structure11
Traffic directionTwo-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$277 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Three Mile Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1969.

What condition is I 55 over Three Mile Creek 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 June 2024.

How much traffic does I 55 over Three Mile Creek carry?

About 117,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I 55 over Three Mile Creek?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m).

Who owns I 55 over Three Mile Creek?

It is owned by the State Highway Agency.