US Bridges

Sybils Crossing over Bayou Des Glaises

PoorPosted for load

Avoyelles Parish, Louisiana · 0.03 Mi. East of LA 451 · Structure no. 080531032915891

Built
1998
27 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
3 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sybils Crossing over Bayou Des Glaises is a wood or timber stringer/multi-beam or girder carrying Sybils Crossing over Bayou Des Glaises in Avoyelles Parish, Louisiana. It was built in 1998, so it is 27 years old, younger 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 100 vehicles a day, projected to reach 110 by 2040. The structure is 33 ft (10.1 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSybils Crossing
CrossesBayou Des Glaises
Location0.03 Mi. East of LA 451
RouteCounty Highway 0
Coordinates31.04926, -91.978
Functional classRural Minor Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating26.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span13 ft (4 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic110 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sybils Crossing over Bayou Des Glaises built?

It was built in 1998, making it 27 years old in 2025.

What condition is Sybils Crossing 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 Sybils Crossing over Bayou Des Glaises carry?

About 100 vehicles per day (2020 count).

How long is Sybils Crossing over Bayou Des Glaises?

The structure is 33 ft (10.1 m) long with a longest span of 13 ft (4 m) and a deck 18 ft wide.

Who owns Sybils Crossing over Bayou Des Glaises?

It is owned by the Town or Township Highway Agency.