US Bridges

Palmer RD over Roderick Creek

Good

Livingston Parish, Louisiana · 1 MI E of LA 42 · Structure no. 623230212904631

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Culvert
Steel
Length
35 ft
5 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Palmer RD over Roderick Creek is a steel culvert carrying Palmer RD over Roderick Creek in Livingston Parish, Louisiana. It was built in 2004, so it is 21 years old, younger than the Louisiana average of 43 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 250 vehicles a day, projected to reach 275 by 2042. The structure is 35 ft (10.7 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPalmer RD
CrossesRoderick Creek
Location1 MI E of LA 42
RouteCounty Highway 0
Coordinates30.35419, -90.77113
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span6 ft (1.8 m)
Deck width40 ft (12.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic275 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Palmer RD over Roderick Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Palmer RD over Roderick Creek 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 Palmer RD over Roderick Creek carry?

About 250 vehicles per day (2022 count).

How long is Palmer RD over Roderick Creek?

The structure is 35 ft (10.7 m) long with a longest span of 6 ft (1.8 m) and a deck 40 ft wide.

Who owns Palmer RD over Roderick Creek?

It is owned by the County Highway Agency.