US Bridges

Spillway Rd. over Chicot Bayou

PoorPosted for load

Evangeline Parish, Louisiana · 2.10M South of LA 106 · Structure no. 032030490921601

Built
1970
55 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
96 ft
5 main spans
Daily traffic
90
1977 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Spillway Rd. over Chicot Bayou is a wood or timber stringer/multi-beam or girder carrying Spillway Rd. over Chicot Bayou in Evangeline Parish, Louisiana. It was built in 1970, so it is 55 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 90 vehicles a day, projected to reach 99 by 1997. The structure is 96 ft (29.3 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSpillway Rd.
CrossesChicot Bayou
Location2.10M South of LA 106
RouteState Highway 107
Coordinates30.81677, -92.2667
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating10 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 10
Structure length96 ft (29.3 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1977)
Projected traffic99 by 1997
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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$478,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Spillway Rd. over Chicot Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Spillway Rd. over Chicot Bayou 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 Spillway Rd. over Chicot Bayou carry?

About 90 vehicles per day (1977 count).

How long is Spillway Rd. over Chicot Bayou?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Spillway Rd. over Chicot Bayou?

It is owned by the State Park, Forest, or Reservation Agency.