US Bridges

I0010 over LA 728-1

Fair

Lafayette Parish, Louisiana · 5.9 MI West of LA 328 · Structure no. 032804500510302

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
1 main span
Daily traffic
2,969
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over LA 728-1 is a prestressed concrete stringer/multi-beam or girder carrying I0010 over LA 728-1 in Lafayette Parish, Louisiana. It was built in 1970, so it is 55 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 2,969 vehicles a day, roughly 28% of them trucks, projected to reach 3,265 by 2041. The structure is 171 ft (52.1 m) long and 65 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesI0010
CrossesLA 728-1
Location5.9 MI West of LA 328
RouteInterstate 10
Coordinates30.26304, -92.0074
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span73 ft (22.3 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,969 (2021)
Projected traffic3,265 by 2041
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over LA 728-1 built?

It was built in 1970, making it 55 years old in 2025.

What condition is I0010 over LA 728-1 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 2023.

How much traffic does I0010 over LA 728-1 carry?

About 2,969 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0010 over LA 728-1?

The structure is 171 ft (52.1 m) long with a longest span of 73 ft (22.3 m) and a deck 65 ft wide.

Who owns I0010 over LA 728-1?

It is owned by the State Highway Agency.