US Bridges

US0171 over Palmetto Creek

Fair

Beauregard Parish, Louisiana · 14.0 MI North of LA 110 O · Structure no. 070600240414022

Built
2007
18 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
260 ft
13 main spans
Daily traffic
8,021
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Palmetto Creek is a concrete slab carrying US0171 over Palmetto Creek in Beauregard Parish, Louisiana. It was built in 2007, so it is 18 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 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 8,021 vehicles a day, roughly 16% of them trucks, projected to reach 8,823 by 2041. The structure is 260 ft (79.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0171
CrossesPalmetto Creek
Location14.0 MI North of LA 110 O
RouteU.S. Route 171
CountyBeauregard Parish
StateLouisiana
Coordinates30.80712, -93.24245
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.
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 inspectionJuly 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span20 ft (6.1 m)
Deck width53 ft (16.2 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,021 (2021)
Projected traffic8,823 by 2041
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0171 over Palmetto Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is US0171 over Palmetto 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 July 2023.

How much traffic does US0171 over Palmetto Creek carry?

About 8,021 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US0171 over Palmetto Creek?

The structure is 260 ft (79.2 m) long with a longest span of 20 ft (6.1 m) and a deck 53 ft wide.

Who owns US0171 over Palmetto Creek?

It is owned by the State Highway Agency.