US Bridges

LA0091 over I0010

Fair

Acadia Parish, Louisiana · 3.77 MI North of US 90 · Structure no. 030108010903771

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
4 main spans
Daily traffic
1,617
2021 count
Owner
State
State Highway Agency

About this bridge

LA0091 over I0010 is a steel stringer/multi-beam or girder carrying LA0091 over I0010 in Acadia Parish, Louisiana. It was built in 1960, so it is 65 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 1,617 vehicles a day, roughly 13% of them trucks, projected to reach 1,778 by 2041. The structure is 242 ft (73.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0091
CrossesI0010
Location3.77 MI North of US 90
RouteState Highway 91
Coordinates30.23339, -92.4641
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,617 (2021)
Projected traffic1,778 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0091 over I0010 built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA0091 over I0010 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 September 2024.

How much traffic does LA0091 over I0010 carry?

About 1,617 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0091 over I0010?

The structure is 242 ft (73.8 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns LA0091 over I0010?

It is owned by the State Highway Agency.