US Bridges

LA0459 over Brushley Creek

Fair

La Salle Parish, Louisiana · 10.1 MI North Os US 84 · Structure no. 583003660110141

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
135 ft
7 main spans
Daily traffic
1,160
2021 count
Owner
State
State Highway Agency

About this bridge

LA0459 over Brushley Creek is a concrete slab carrying LA0459 over Brushley Creek in La Salle Parish, Louisiana. It was built in 1981, so it is 44 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 1,160 vehicles a day, roughly 21% of them trucks, projected to reach 1,276 by 2041. The structure is 135 ft (41.1 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLA0459
CrossesBrushley Creek
Location10.1 MI North Os US 84
RouteState Highway 459
Coordinates31.78168, -92.0186
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span19 ft (5.8 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,160 (2021)
Projected traffic1,276 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 LA0459 over Brushley Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0459 over Brushley 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 March 2023.

How much traffic does LA0459 over Brushley Creek carry?

About 1,160 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is LA0459 over Brushley Creek?

The structure is 135 ft (41.1 m) long with a longest span of 19 ft (5.8 m) and a deck 36 ft wide.

Who owns LA0459 over Brushley Creek?

It is owned by the State Highway Agency.