US Bridges

Old River RD over Lacombe Bayou

Good

Avoyelles Parish, Louisiana · 0.91 Mi. E. of Jct. LA 10 · Structure no. 080500000800117

Built
2013
12 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
552
2020 count
Owner
County
County Highway Agency

About this bridge

Old River RD over Lacombe Bayou is a concrete slab carrying Old River RD over Lacombe Bayou in Avoyelles Parish, Louisiana. It was built in 2013, so it is 12 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 552 vehicles a day, projected to reach 607 by 2040. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesOld River RD
CrossesLacombe Bayou
Location0.91 Mi. E. of Jct. LA 10
RouteCounty Highway 0
CountyAvoyelles Parish
StateLouisiana
Coordinates31.07876, -92.0323
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic552 (2020)
Projected traffic607 by 2040
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old River RD over Lacombe Bayou built?

It was built in 2013, making it 12 years old in 2025.

What condition is Old River RD over Lacombe Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Old River RD over Lacombe Bayou carry?

About 552 vehicles per day (2020 count).

How long is Old River RD over Lacombe Bayou?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Old River RD over Lacombe Bayou?

It is owned by the County Highway Agency.