US Bridges

Estis Rd. over Channel L3H

Good

Iberia Parish, Louisiana · 0.3 MI S of US 90 Serv RD · Structure no. 032300000006142

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
444
2020 count
Owner
County
County Highway Agency

About this bridge

Estis Rd. over Channel L3H is a concrete slab carrying Estis Rd. over Channel L3H in Iberia Parish, Louisiana. It was built in 2014, so it is 11 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 444 vehicles a day, projected to reach 488 by 2040. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesEstis Rd.
CrossesChannel L3H
Location0.3 MI S of US 90 Serv RD
RouteCounty Highway 0
CountyIberia Parish
StateLouisiana
Coordinates30.01692, -91.91391
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic444 (2020)
Projected traffic488 by 2040
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 Estis Rd. over Channel L3H built?

It was built in 2014, making it 11 years old in 2025.

What condition is Estis Rd. over Channel L3H 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 October 2024.

How much traffic does Estis Rd. over Channel L3H carry?

About 444 vehicles per day (2020 count).

How long is Estis Rd. over Channel L3H?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Estis Rd. over Channel L3H?

It is owned by the County Highway Agency.