US Bridges

LA1146 over Bundick Creek

Fair

Beauregard Parish, Louisiana · .85 Mi. N of Int LA112 · Structure no. 070608060100851

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
300 ft
3 main spans
Daily traffic
918
2021 count
Owner
State
State Highway Agency

About this bridge

LA1146 over Bundick Creek is a concrete continuous slab carrying LA1146 over Bundick Creek in Beauregard Parish, Louisiana. It was built in 1980, so it is 45 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.

It carries about 918 vehicles a day, roughly 17% of them trucks, projected to reach 1,009 by 2041. The structure is 300 ft (91.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA1146
CrossesBundick Creek
Location.85 Mi. N of Int LA112
RouteState Highway 1146
Coordinates30.86718, -93.22329
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic918 (2021)
Projected traffic1,009 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1146 over Bundick Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA1146 over Bundick Creek 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 July 2023.

How much traffic does LA1146 over Bundick Creek carry?

About 918 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA1146 over Bundick Creek?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns LA1146 over Bundick Creek?

It is owned by the State Highway Agency.