US Bridges

LA0155 over Dukedall Creek

Poor

Bienville Parish, Louisiana · 1.3 MI North of LA 508 · Structure no. 040700930305421

Built
1979
46 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
713
2021 count
Owner
State
State Highway Agency

About this bridge

LA0155 over Dukedall Creek is a concrete slab carrying LA0155 over Dukedall Creek in Bienville Parish, Louisiana. It was built in 1979, so it is 46 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 713 vehicles a day, roughly 25% of them trucks, projected to reach 784 by 2041. The structure is 76 ft (23.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0155
CrossesDukedall Creek
Location1.3 MI North of LA 508
RouteState Highway 155
Coordinates32.31779, -92.8599
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic713 (2021)
Projected traffic784 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0155 over Dukedall Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is LA0155 over Dukedall Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does LA0155 over Dukedall Creek carry?

About 713 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA0155 over Dukedall Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0155 over Dukedall Creek?

It is owned by the State Highway Agency.