US Bridges

South Satsuma over Hornsby Creek

Fair

Livingston Parish, Louisiana · 0.50 Mi. North of I-12 · Structure no. 623200000620372

Built
2018
7 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
2,000
2022 count
Owner
County
County Highway Agency

About this bridge

South Satsuma over Hornsby Creek is a concrete slab carrying South Satsuma over Hornsby Creek in Livingston Parish, Louisiana. It was built in 2018, so it is 7 years old, younger than the Louisiana average of 43 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 2,000 vehicles a day, projected to reach 2,200 by 2042. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSouth Satsuma
CrossesHornsby Creek
Location0.50 Mi. North of I-12
RouteCounty Highway 0
CountyLivingston Parish
StateLouisiana
Coordinates30.47971, -90.79521
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadGreater than HL 93
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic2,200 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Satsuma over Hornsby Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is South Satsuma over Hornsby Creek 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 December 2024.

How much traffic does South Satsuma over Hornsby Creek carry?

About 2,000 vehicles per day (2022 count).

How long is South Satsuma over Hornsby Creek?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns South Satsuma over Hornsby Creek?

It is owned by the County Highway Agency.