US Bridges

Bourque RD over Drainage Ditch

Fair

St. Landry Parish, Louisiana · 0.3 Mi. S. of LA 759 · Structure no. 034930265921011

Built
1992
33 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
275
2020 count
Owner
County
County Highway Agency

About this bridge

Bourque RD over Drainage Ditch is a steel culvert carrying Bourque RD over Drainage Ditch in St. Landry Parish, Louisiana. It was built in 1992, so it is 33 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 275 vehicles a day, projected to reach 302 by 2040. The structure is 27 ft (8.2 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBourque RD
CrossesDrainage Ditch
Location0.3 Mi. S. of LA 759
RouteCounty Highway 0
Coordinates30.44351, -92.16801
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width61 ft (18.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2020)
Projected traffic302 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bourque RD over Drainage Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Bourque RD over Drainage Ditch 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 January 2025.

How much traffic does Bourque RD over Drainage Ditch carry?

About 275 vehicles per day (2020 count).

How long is Bourque RD over Drainage Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m) and a deck 61 ft wide.

Who owns Bourque RD over Drainage Ditch?

It is owned by the County Highway Agency.