US Bridges

SR 3 over Roundaway Bayou

Good

Sunflower County, Mississippi · 2.4 MI N US 82 · Structure no. 310000306709550

Built
1947
78 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 3 over Roundaway Bayou is a concrete culvert carrying SR 3 over Roundaway Bayou in Sunflower County, Mississippi. It was built in 1947, so it is 78 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 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,000 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 3
CrossesRoundaway Bayou
Location2.4 MI N US 82
RouteState Highway 3
Coordinates33.49531, -90.52102
Functional classRural Major Collector

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 inspectionMarch 2024
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 rating42.3 US tons
Inventory rating25.4 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 traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 3 over Roundaway Bayou built?

It was built in 1947, making it 78 years old in 2025.

What condition is SR 3 over Roundaway Bayou 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 March 2024.

How much traffic does SR 3 over Roundaway Bayou carry?

About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 3 over Roundaway Bayou?

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

Who owns SR 3 over Roundaway Bayou?

It is owned by the State Highway Agency.