US Bridges

SR 18 over Stream

Fair

Jasper County, Mississippi · 8.3 MI E SR 15 · Structure no. 310001803113240

Built
1980
45 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
820
2023 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Stream is a concrete culvert carrying SR 18 over Stream in Jasper County, Mississippi. It was built in 1980, so it is 45 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 820 vehicles a day, roughly 14% of them trucks, projected to reach 820 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesSR 18
CrossesStream
Location8.3 MI E SR 15
RouteState Highway 18
CountyJasper County
StateMississippi
Coordinates32.03388, -89.17147
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating49.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.7 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 traffic820 (2023)
Projected traffic820 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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 18 over Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 18 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 March 2023.

How much traffic does SR 18 over Stream carry?

About 820 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 18 over Stream?

The structure is 35 ft (10.7 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 18 over Stream?

It is owned by the State Highway Agency.