US Bridges

Livingston Drive over Bayou Mallini

Fair

Harrison County, Mississippi · Sec 27 T 8S R13W · Structure no. SA2400000000173

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
51 ft
3 main spans
Daily traffic
1,500
2012 count
Owner
County
County Highway Agency

About this bridge

Livingston Drive over Bayou Mallini is a concrete channel beam carrying Livingston Drive over Bayou Mallini in Harrison County, Mississippi. It was built in 1991, so it is 34 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 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 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2032. The structure is 51 ft (15.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLivingston Drive
CrossesBayou Mallini
LocationSec 27 T 8S R13W
RouteCounty Highway 3149
Coordinates30.31528, -89.28556
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length51 ft (15.5 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2012)
Projected traffic2,250 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Livingston Drive over Bayou Mallini built?

It was built in 1991, making it 34 years old in 2025.

What condition is Livingston Drive over Bayou Mallini 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 February 2024.

How much traffic does Livingston Drive over Bayou Mallini carry?

About 1,500 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is Livingston Drive over Bayou Mallini?

The structure is 51 ft (15.5 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns Livingston Drive over Bayou Mallini?

It is owned by the County Highway Agency.