US Bridges

Trousdale Road over Conoco Phillips Pipeline

Good

Calcasieu Parish, Louisiana · 0.70 MI N of US 90 · Structure no. 071000000071014

Built
1995
30 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
2,938
2021 count
Owner
County
County Highway Agency

About this bridge

Trousdale Road over Conoco Phillips Pipeline is a concrete culvert carrying Trousdale Road over Conoco Phillips Pipeline in Calcasieu Parish, Louisiana. It was built in 1995, so it is 30 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 2,938 vehicles a day, projected to reach 3,231 by 2041. The structure is 24 ft (7.3 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTrousdale Road
CrossesConoco Phillips Pipeline
Location0.70 MI N of US 90
RouteCounty Highway 0
Coordinates30.23945, -93.29089
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width56 ft (17.1 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,938 (2021)
Projected traffic3,231 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Trousdale Road over Conoco Phillips Pipeline built?

It was built in 1995, making it 30 years old in 2025.

What condition is Trousdale Road over Conoco Phillips Pipeline 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 March 2024.

How much traffic does Trousdale Road over Conoco Phillips Pipeline carry?

About 2,938 vehicles per day (2021 count).

How long is Trousdale Road over Conoco Phillips Pipeline?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 56 ft wide.

Who owns Trousdale Road over Conoco Phillips Pipeline?

It is owned by the County Highway Agency.