US Bridges

Saint Jean ST over Bayou Lacombe

Good

Avoyelles Parish, Louisiana · 0.01 Mi. North of LA 114 · Structure no. 080500000800153

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
70
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Saint Jean ST over Bayou Lacombe is a concrete culvert carrying Saint Jean ST over Bayou Lacombe in Avoyelles Parish, Louisiana. It was built in 2010, so it is 15 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 70 vehicles a day, projected to reach 77 by 2040. The structure is 26 ft (7.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSaint Jean ST
CrossesBayou Lacombe
Location0.01 Mi. North of LA 114
RouteCounty Highway 0
Coordinates31.05514, -92.0523
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic77 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Saint Jean ST over Bayou Lacombe built?

It was built in 2010, making it 15 years old in 2025.

What condition is Saint Jean ST over Bayou Lacombe 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 Saint Jean ST over Bayou Lacombe carry?

About 70 vehicles per day (2020 count).

How long is Saint Jean ST over Bayou Lacombe?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns Saint Jean ST over Bayou Lacombe?

It is owned by the Town or Township Highway Agency.