US Bridges

LA0175 over Brushy Bayou

Fair

De Soto Parish, Louisiana · .6 MI North of South Int · Structure no. 041600350308251

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
1,770
2021 count
Owner
State
State Highway Agency

About this bridge

LA0175 over Brushy Bayou is a concrete slab carrying LA0175 over Brushy Bayou in De Soto Parish, Louisiana. It was built in 1974, so it is 51 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 5 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 1,770 vehicles a day, roughly 19% of them trucks, projected to reach 1,947 by 2041. The structure is 57 ft (17.4 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesLA0175
CrossesBrushy Bayou
Location.6 MI North of South Int
RouteState Highway 175
CountyDe Soto Parish
StateLouisiana
Coordinates31.9254, -93.58
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,770 (2021)
Projected traffic1,947 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 LA0175 over Brushy Bayou built?

It was built in 1974, making it 51 years old in 2025.

What condition is LA0175 over Brushy Bayou 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 May 2024.

How much traffic does LA0175 over Brushy Bayou carry?

About 1,770 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0175 over Brushy Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0175 over Brushy Bayou?

It is owned by the State Highway Agency.