US Bridges

Cedar Grove RD over Pelton Bayou

FairPosted for load

Terrebonne Parish, Louisiana · 0.01 MI N of LA 57 · Structure no. 025529301904091

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
3 main spans
Daily traffic
58
2020 count
Owner
County
County Highway Agency

About this bridge

Cedar Grove RD over Pelton Bayou is a steel stringer/multi-beam or girder carrying Cedar Grove RD over Pelton Bayou in Terrebonne Parish, Louisiana. It was built in 1960, so it is 65 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 58 vehicles a day, projected to reach 63 by 2040. The structure is 67 ft (20.4 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesCedar Grove RD
CrossesPelton Bayou
Location0.01 MI N of LA 57
RouteCounty Highway 0
CountyTerrebonne Parish
StateLouisiana
Coordinates29.49856, -90.68171
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating40 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span23 ft (7 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2020)
Projected traffic63 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$247,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cedar Grove RD over Pelton Bayou built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cedar Grove RD over Pelton Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Cedar Grove RD over Pelton Bayou carry?

About 58 vehicles per day (2020 count).

How long is Cedar Grove RD over Pelton Bayou?

The structure is 67 ft (20.4 m) long with a longest span of 23 ft (7 m) and a deck 14 ft wide.

Who owns Cedar Grove RD over Pelton Bayou?

It is owned by the County Highway Agency.