US Bridges

I 59 over Black Creek

Fair

Lamar County, Mississippi · 12.1 MI N SR 13 · Structure no. 11000590370532A

Built
1961
64 years old, rebuilt 2015
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
450 ft
3 main spans
Daily traffic
9,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over Black Creek is a concrete continuous box beam or girders - single or spread carrying I 59 over Black Creek in Lamar County, Mississippi. It was built in 1961 and reconstructed in 2015, so it is 64 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 9,500 vehicles a day, roughly 23% of them trucks, projected to reach 10,000 by 2043. The structure is 450 ft (137.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 59
CrossesBlack Creek
Location12.1 MI N SR 13
RouteInterstate 59
Coordinates31.16964, -89.35196
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating48.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span90 ft (27.4 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic10,000 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-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$603 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 59 over Black Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2015.

What condition is I 59 over Black 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 59 over Black Creek carry?

About 9,500 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I 59 over Black Creek?

The structure is 450 ft (137.2 m) long with a longest span of 90 ft (27.4 m) and a deck 45 ft wide.

Who owns I 59 over Black Creek?

It is owned by the State Highway Agency.