US Bridges

US 49 over Phillips Bayou

Fair

Coahoma County, Mississippi · 3.1 MI E Miss/Ark ST Line · Structure no. 210004901433240

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
240 ft
6 main spans
Daily traffic
3,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 over Phillips Bayou is a concrete slab carrying US 49 over Phillips Bayou in Coahoma County, Mississippi. It was built in 1960, so it is 65 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 3,900 vehicles a day, roughly 17% of them trucks, projected to reach 3,900 by 2043. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

CarriesUS 49
CrossesPhillips Bayou
Location3.1 MI E Miss/Ark ST Line
RouteU.S. Route 49
Coordinates34.47964, -90.52902
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.7 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2023)
Projected traffic3,900 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$275 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 49 over Phillips Bayou built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 49 over Phillips Bayou 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 September 2023.

How much traffic does US 49 over Phillips Bayou carry?

About 3,900 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 49 over Phillips Bayou?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns US 49 over Phillips Bayou?

It is owned by the State Highway Agency.