US Bridges

Luke Martin RD over Bayou Dulac

Fair

Avoyelles Parish, Louisiana · Approx. 5 M. N. of US 71 · Structure no. 080530598921091

Built
1984
41 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
460
2020 count
Owner
County
County Highway Agency

About this bridge

Luke Martin RD over Bayou Dulac is a concrete slab carrying Luke Martin RD over Bayou Dulac in Avoyelles Parish, Louisiana. It was built in 1984, so it is 41 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 6 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 460 vehicles a day, projected to reach 506 by 2040. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesLuke Martin RD
CrossesBayou Dulac
LocationApprox. 5 M. N. of US 71
RouteCounty Highway 0
CountyAvoyelles Parish
StateLouisiana
Coordinates30.99516, -92.1783
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic460 (2020)
Projected traffic506 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Luke Martin RD over Bayou Dulac built?

It was built in 1984, making it 41 years old in 2025.

What condition is Luke Martin RD over Bayou Dulac 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 2023.

How much traffic does Luke Martin RD over Bayou Dulac carry?

About 460 vehicles per day (2020 count).

How long is Luke Martin RD over Bayou Dulac?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Luke Martin RD over Bayou Dulac?

It is owned by the County Highway Agency.