US Bridges

I 55 over Trahon Creek

Good

Hinds County, Mississippi · 1.5 MI N Byram Intch · Structure no. 11000550250856B

Built
1956
69 years old, rebuilt 2016
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
51,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 over Trahon Creek is a concrete culvert carrying I 55 over Trahon Creek in Hinds County, Mississippi. It was built in 1956 and reconstructed in 2016, 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 51,000 vehicles a day, roughly 14% of them trucks, projected to reach 56,000 by 2043. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55
CrossesTrahon Creek
Location1.5 MI N Byram Intch
RouteInterstate 55
Coordinates32.20226, -90.24487
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2023)
Projected traffic56,000 by 2043
Trucks14%
Lanes on structure6
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 over Trahon Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2016.

What condition is I 55 over Trahon 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 Trahon Creek carry?

About 51,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 55 over Trahon Creek?

The structure is 46 ft (14 m) long with a longest span of 14 ft (4.3 m).

Who owns I 55 over Trahon Creek?

It is owned by the State Highway Agency.