US Bridges

LA1025 over West Colyell CR

Fair

Livingston Parish, Louisiana · LA1025 · Structure no. 623208322903301

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
7,211
2021 count
Owner
State
State Highway Agency

About this bridge

LA1025 over West Colyell CR is a concrete slab carrying LA1025 over West Colyell CR in Livingston Parish, Louisiana. It was built in 1963, so it is 62 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 7,211 vehicles a day, roughly 8% of them trucks, projected to reach 7,932 by 2041. The structure is 100 ft (30.5 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesLA1025
CrossesWest Colyell CR
LocationLA1025
RouteState Highway 1025
CountyLivingston Parish
StateLouisiana
Coordinates30.53817, -90.9049
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,211 (2021)
Projected traffic7,932 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$498,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1025 over West Colyell CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA1025 over West Colyell CR 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 2024.

How much traffic does LA1025 over West Colyell CR carry?

About 7,211 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA1025 over West Colyell CR?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA1025 over West Colyell CR?

It is owned by the State Highway Agency.