US Bridges

SR 12 over Luxapallila River

Good

Lowndes County, Mississippi · 2.0 MI N SR 50 · Structure no. 310001204418430

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,662 ft
3 main spans
Daily traffic
6,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Luxapallila River is a prestressed concrete stringer/multi-beam or girder carrying SR 12 over Luxapallila River in Lowndes County, Mississippi. It was built in 1999, so it is 26 years old, younger 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 6,800 vehicles a day, roughly 6% of them trucks, projected to reach 6,800 by 2043. The structure is 1,662 ft (506.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 12
CrossesLuxapallila River
Location2.0 MI N SR 50
RouteState Highway 12
Coordinates33.54722, -88.36343
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+32 approach)
Design loadHS 20
Structure length1,662 ft (506.5 m)
Longest span127 ft (38.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2023)
Projected traffic6,800 by 2043
Trucks6%
Lanes on structure20
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 12 over Luxapallila River built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR 12 over Luxapallila River 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 August 2024.

How much traffic does SR 12 over Luxapallila River carry?

About 6,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 12 over Luxapallila River?

The structure is 1,662 ft (506.5 m) long with a longest span of 127 ft (38.6 m) and a deck 47 ft wide.

Who owns SR 12 over Luxapallila River?

It is owned by the State Highway Agency.