US Bridges

LA3099 over Palmetto Creek

PoorPosted for load

Beauregard Parish, Louisiana · 0.5 Mi. SW of Int US190 · Structure no. 070608060302731

Built
1973
52 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
2,614
2021 count
Owner
State
State Highway Agency

About this bridge

LA3099 over Palmetto Creek is a concrete slab carrying LA3099 over Palmetto Creek in Beauregard Parish, Louisiana. It was built in 1973, so it is 52 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,614 vehicles a day, roughly 6% of them trucks, projected to reach 2,875 by 2041. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA3099
CrossesPalmetto Creek
Location0.5 Mi. SW of Int US190
RouteState Highway 3099
Coordinates30.84336, -93.3051
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,614 (2021)
Projected traffic2,875 by 2041
Trucks6%
Lanes on structure2
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 LA3099 over Palmetto Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA3099 over Palmetto Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does LA3099 over Palmetto Creek carry?

About 2,614 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is LA3099 over Palmetto Creek?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA3099 over Palmetto Creek?

It is owned by the State Highway Agency.