US Bridges

Gremillion RD over Bayou Tommy

Fair

Pointe Coupee Parish, Louisiana · .4 MI NE of Livonia · Structure no. 613930343913021

Built
1999
26 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
657
2019 count
Owner
County
County Highway Agency

About this bridge

Gremillion RD over Bayou Tommy is a concrete culvert carrying Gremillion RD over Bayou Tommy in Pointe Coupee Parish, Louisiana. It was built in 1999, so it is 26 years old, younger 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.

It carries about 657 vehicles a day, projected to reach 722 by 2039. The structure is 40 ft (12.2 m) long and 45 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesGremillion RD
CrossesBayou Tommy
Location.4 MI NE of Livonia
RouteCounty Highway 0
CountyPointe Coupee Parish
StateLouisiana
Coordinates30.57188, -91.50393
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic657 (2019)
Projected traffic722 by 2039
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$168,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gremillion RD over Bayou Tommy built?

It was built in 1999, making it 26 years old in 2025.

What condition is Gremillion RD over Bayou Tommy 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 November 2024.

How much traffic does Gremillion RD over Bayou Tommy carry?

About 657 vehicles per day (2019 count).

How long is Gremillion RD over Bayou Tommy?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns Gremillion RD over Bayou Tommy?

It is owned by the County Highway Agency.