US Bridges

I 59 over West Union Road

Fair

Pearl River County, Mississippi · 6.4 MI N SR 43 North · Structure no. 11000590550108B

Built
1963
62 years old, rebuilt 2015
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over West Union Road is a prestressed concrete stringer/multi-beam or girder carrying I 59 over West Union Road in Pearl River County, Mississippi. It was built in 1963 and reconstructed in 2015, so it is 62 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 11,000 vehicles a day, roughly 25% of them trucks, projected to reach 12,000 by 2043. The structure is 121 ft (36.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 59
CrossesWest Union Road
Location6.4 MI N SR 43 North
RouteInterstate 59
CountyPearl River County
StateMississippi
Coordinates30.60021, -89.61834
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic12,000 by 2043
Trucks25%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$220 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 59 over West Union Road built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2015.

What condition is I 59 over West Union Road 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 October 2023.

How much traffic does I 59 over West Union Road carry?

About 11,000 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I 59 over West Union Road?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns I 59 over West Union Road?

It is owned by the State Highway Agency.