US Bridges

US0090 over Darnell RD

Good

Iberia Parish, Louisiana · 3.08 MI E of LA 83 · Structure no. 032304240413911

Built
2002
23 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,886 ft
28 main spans
Daily traffic
11,497
2017 count
Owner
State
State Highway Agency

About this bridge

US0090 over Darnell RD is a prestressed concrete stringer/multi-beam or girder carrying US0090 over Darnell RD in Iberia Parish, Louisiana. It was built in 2002, so it is 23 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,497 vehicles a day, roughly 10% of them trucks, projected to reach 12,646 by 2037. The structure is 1,886 ft (574.9 m) long and 43 ft wide.

CarriesUS0090
CrossesDarnell RD
Location3.08 MI E of LA 83
RouteU.S. Route 90
Coordinates29.94264, -91.7743
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans28
Design loadHS 20
Structure length1,886 ft (574.9 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,497 (2017)
Projected traffic12,646 by 2037
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0090 over Darnell RD built?

It was built in 2002, making it 23 years old in 2025.

What condition is US0090 over Darnell RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does US0090 over Darnell RD carry?

About 11,497 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is US0090 over Darnell RD?

The structure is 1,886 ft (574.9 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns US0090 over Darnell RD?

It is owned by the State Highway Agency.