US Bridges

N. Kibbe ST over Laports Coulee

Good

Vermilion Parish, Louisiana · 0.16 MI S of LA 14 · Structure no. 035700000030361

Built
2010
15 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
60 ft
3 main spans
Daily traffic
1,233
2021 count
Owner
County
County Highway Agency

About this bridge

N. Kibbe ST over Laports Coulee is a prestressed concrete slab carrying N. Kibbe ST over Laports Coulee in Vermilion Parish, Louisiana. It was built in 2010, so it is 15 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 1,233 vehicles a day, projected to reach 1,356 by 2041. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN. Kibbe ST
CrossesLaports Coulee
Location0.16 MI S of LA 14
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.96074, -92.03608
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,233 (2021)
Projected traffic1,356 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 N. Kibbe ST over Laports Coulee built?

It was built in 2010, making it 15 years old in 2025.

What condition is N. Kibbe ST over Laports Coulee 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 July 2023.

How much traffic does N. Kibbe ST over Laports Coulee carry?

About 1,233 vehicles per day (2021 count).

How long is N. Kibbe ST over Laports Coulee?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns N. Kibbe ST over Laports Coulee?

It is owned by the County Highway Agency.