US Bridges

SR 618 over Stream

Fair

Jackson County, Mississippi · 1.2 MI W SR 63 · Structure no. 310061803000120

Built
2000
25 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
40 ft
2 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 618 over Stream is a concrete channel beam carrying SR 618 over Stream in Jackson County, Mississippi. It was built in 2000, so it is 25 years old, younger 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 3,200 by 2043. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 618
CrossesStream
Location1.2 MI W SR 63
RouteState Highway 618
Coordinates30.40785, -88.52228
Functional classUrban Minor 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating83.2 US tons
Inventory rating49.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic3,200 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 618 over Stream built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR 618 over Stream 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 August 2023.

How much traffic does SR 618 over Stream carry?

About 3,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 618 over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns SR 618 over Stream?

It is owned by the State Highway Agency.