US Bridges

Herbertjuneau Xing over Bayou Des Glaises

PoorPosted for load

Avoyelles Parish, Louisiana · 0.01 Mi. East of LA 451 · Structure no. 080531060915511

Built
1979
46 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
100 ft
7 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Herbertjuneau Xing over Bayou Des Glaises is a wood or timber stringer/multi-beam or girder carrying Herbertjuneau Xing over Bayou Des Glaises in Avoyelles 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 88 by 2040. The structure is 100 ft (30.5 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHerbertjuneau Xing
CrossesBayou Des Glaises
Location0.01 Mi. East of LA 451
RouteCounty Highway 0
CountyAvoyelles Parish
StateLouisiana
Coordinates31.10028, -91.9193
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.3 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadH 10
Structure length100 ft (30.5 m)
Longest span15 ft (4.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic88 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$348,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Herbertjuneau Xing over Bayou Des Glaises built?

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

What condition is Herbertjuneau Xing over Bayou Des Glaises 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 February 2023.

How much traffic does Herbertjuneau Xing over Bayou Des Glaises carry?

About 80 vehicles per day (2020 count).

How long is Herbertjuneau Xing over Bayou Des Glaises?

The structure is 100 ft (30.5 m) long with a longest span of 15 ft (4.6 m) and a deck 18 ft wide.

Who owns Herbertjuneau Xing over Bayou Des Glaises?

It is owned by the County Highway Agency.