US Bridges

US84/SR15 over I 59

Fair

Jones County, Mississippi · US84/SR15 over I 59 · Structure no. 310001503408260

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
184 ft
2 main spans
Daily traffic
30,000
2023 count
Owner
State
State Highway Agency

About this bridge

US84/SR15 over I 59 is a steel stringer/multi-beam or girder carrying US84/SR15 over I 59 in Jones County, Mississippi. It was built in 1960, so it is 65 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 30,000 vehicles a day, roughly 8% of them trucks, projected to reach 30,000 by 2043. The structure is 184 ft (56.1 m) long and 88 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS84/SR15
CrossesI 59
LocationUS84/SR15 over I 59
RouteState Highway 15
Coordinates31.68399, -89.14669
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span52 ft (15.8 m)
Deck width88 ft (26.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2023)
Projected traffic30,000 by 2043
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$353 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US84/SR15 over I 59 built?

It was built in 1960, making it 65 years old in 2025.

What condition is US84/SR15 over I 59 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 January 2024.

How much traffic does US84/SR15 over I 59 carry?

About 30,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US84/SR15 over I 59?

The structure is 184 ft (56.1 m) long with a longest span of 52 ft (15.8 m) and a deck 88 ft wide.

Who owns US84/SR15 over I 59?

It is owned by the State Highway Agency.