US Bridges

LA0422 over Stream No Name

PoorPosted for load

East Feliciana Parish, Louisiana · 1.9 MI E of LA 19 · Structure no. 611908190201911

Built
1969
56 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
153
2021 count
Owner
State
State Highway Agency

About this bridge

LA0422 over Stream No Name is a concrete slab carrying LA0422 over Stream No Name in East Feliciana Parish, Louisiana. It was built in 1969, so it is 56 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 3 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 153 vehicles a day, roughly 14% of them trucks, projected to reach 168 by 2041. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA0422
CrossesStream No Name
Location1.9 MI E of LA 19
RouteState Highway 422
Coordinates30.97003, -91.08104
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: 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 rating15.3 US tons
Inventory rating12.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2021)
Projected traffic168 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$319,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0422 over Stream No Name built?

It was built in 1969, making it 56 years old in 2025.

What condition is LA0422 over Stream No Name 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 January 2024.

How much traffic does LA0422 over Stream No Name carry?

About 153 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0422 over Stream No Name?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA0422 over Stream No Name?

It is owned by the State Highway Agency.