US Bridges

I 59 over Stream

Good

Lamar County, Mississippi · 2.0 MI N SR 13 · Structure no. 11000590370430A

Built
1961
64 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 59 over Stream is a concrete culvert carrying I 59 over Stream in Lamar County, Mississippi. It was built in 1961, 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 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.

It carries about 8,000 vehicles a day, roughly 32% of them trucks, projected to reach 8,500 by 2043. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 59
CrossesStream
Location2.0 MI N SR 13
RouteInterstate 59
Coordinates31.02804, -89.40512
Functional classRural 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.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length52 ft (15.8 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 traffic8,000 (2023)
Projected traffic8,500 by 2043
Trucks32%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 59 over Stream built?

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

What condition is I 59 over Stream 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 December 2024.

How much traffic does I 59 over Stream carry?

About 8,000 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I 59 over Stream?

The structure is 52 ft (15.8 m) long with a longest span of 14 ft (4.3 m).

Who owns I 59 over Stream?

It is owned by the State Highway Agency.