US Bridges

LA0601 over Brushy Bayou

Fair

Madison Parish, Louisiana · .1 MI Noerth of I-20 · Structure no. 053308330600091

Built
1937
88 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
121 ft
5 main spans
Daily traffic
5,065
2021 count
Owner
State
State Highway Agency

About this bridge

LA0601 over Brushy Bayou is a concrete tee beam carrying LA0601 over Brushy Bayou in Madison Parish, Louisiana. It was built in 1937, so it is 88 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 5,065 vehicles a day, roughly 8% of them trucks, projected to reach 5,571 by 2041. The structure is 121 ft (36.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0601
CrossesBrushy Bayou
Location.1 MI Noerth of I-20
RouteState Highway 601
CountyMadison Parish
StateLouisiana
Coordinates32.40605, -91.1866
Functional classUrban 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.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length121 ft (36.9 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,065 (2021)
Projected traffic5,571 by 2041
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$588,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0601 over Brushy Bayou built?

It was built in 1937, making it 88 years old in 2025.

What condition is LA0601 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 April 2023.

How much traffic does LA0601 over Brushy Bayou carry?

About 5,065 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0601 over Brushy Bayou?

The structure is 121 ft (36.9 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns LA0601 over Brushy Bayou?

It is owned by the State Highway Agency.