US Bridges

Spring Bayou RD over Spring Bayou

PoorPosted for load

Avoyelles Parish, Louisiana · 2 Mi. North of Goude · Structure no. 080530536920121

Built
1978
47 years old
Condition
Poor
inspected January 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
98 ft
7 main spans
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Spring Bayou RD over Spring Bayou is a wood or timber stringer/multi-beam or girder carrying Spring Bayou RD over Spring Bayou in Avoyelles Parish, Louisiana. It was built in 1978, so it is 47 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 150 vehicles a day, projected to reach 165 by 2040. The structure is 98 ft (29.9 m) long and 19 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSpring Bayou RD
CrossesSpring Bayou
Location2 Mi. North of Goude
RouteCounty Highway 0
Coordinates30.89268, -92.0213
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32 US tons
Inventory rating23 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadH 10
Structure length98 ft (29.9 m)
Longest span15 ft (4.6 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic165 by 2040
Trucks—
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

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$340,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Bayou RD over Spring Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is Spring Bayou RD over Spring 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 January 2023.

How much traffic does Spring Bayou RD over Spring Bayou carry?

About 150 vehicles per day (2020 count).

How long is Spring Bayou RD over Spring Bayou?

The structure is 98 ft (29.9 m) long with a longest span of 15 ft (4.6 m) and a deck 19 ft wide.

Who owns Spring Bayou RD over Spring Bayou?

It is owned by the County Highway Agency.