US Bridges

LA0556 over Dry Creek

PoorPosted for load

Jackson Parish, Louisiana · 3.81 MI West of LA 144 · Structure no. 052503180203801

Built
1968
57 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
135 ft
7 main spans
Daily traffic
376
2021 count
Owner
State
State Highway Agency

About this bridge

LA0556 over Dry Creek is a wood or timber stringer/multi-beam or girder carrying LA0556 over Dry Creek in Jackson Parish, Louisiana. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 376 vehicles a day, roughly 19% of them trucks, projected to reach 413 by 2041. The structure is 135 ft (41.1 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesLA0556
CrossesDry Creek
Location3.81 MI West of LA 144
RouteState Highway 556
Coordinates32.47653, -92.4814
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
Deck4 PoorAdvanced section loss, deterioration, 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load 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 rating27.4 US tons
Inventory rating18.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadH 15
Structure length135 ft (41.1 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic376 (2021)
Projected traffic413 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$643,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0556 over Dry Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA0556 over Dry 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 June 2024.

How much traffic does LA0556 over Dry Creek carry?

About 376 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0556 over Dry Creek?

The structure is 135 ft (41.1 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA0556 over Dry Creek?

It is owned by the State Highway Agency.