US Bridges

I 55 W Frt RD over Trahon Creek

GoodPosted for load

Hinds County, Mississippi · 1.5 MI N Byram Intch · Structure no. 18000550250856A

Built
1959
66 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

I 55 W Frt RD over Trahon Creek is a concrete slab carrying I 55 W Frt RD over Trahon Creek in Hinds County, Mississippi. It was built in 1959, so it is 66 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 1,600 vehicles a day, roughly 5% of them trucks, projected to reach 1,600 by 2043. The structure is 180 ft (54.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 55 W Frt RD
CrossesTrahon Creek
Location1.5 MI N Byram Intch
Coordinates32.20241, -90.24528
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,600 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$371 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 55 W Frt RD over Trahon Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is I 55 W Frt RD 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 W Frt RD over Trahon Creek carry?

About 1,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I 55 W Frt RD over Trahon Creek?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns I 55 W Frt RD over Trahon Creek?

It is owned by the State Highway Agency.