US Bridges

SR 30 over Stream

Fair

Lafayette County, Mississippi · 3.3 MI E SR 7 · Structure no. 310003003600330

Built
1948
77 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 30 over Stream is a concrete culvert carrying SR 30 over Stream in Lafayette County, Mississippi. It was built in 1948, so it is 77 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 5 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 2,900 vehicles a day, roughly 9% of them trucks, projected to reach 3,700 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 57.8 mi (93 km).

Location

Open in Google Maps
CarriesSR 30
CrossesStream
Location3.3 MI E SR 7
RouteState Highway 30
CountyLafayette County
StateMississippi
Coordinates34.38756, -89.45091
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.5 US tons
Inventory rating47.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic3,700 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$250 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 30 over Stream built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR 30 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 May 2023.

How much traffic does SR 30 over Stream carry?

About 2,900 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 30 over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 30 over Stream?

It is owned by the State Highway Agency.