US Bridges

Lightning ST over Dinde Bayou

Good

Calcasieu Parish, Louisiana · 0.1 MI N of Mustang St. · Structure no. 071000000070251

Built
2017
8 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
105 ft
5 main spans
Daily traffic
150
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lightning ST over Dinde Bayou is a concrete slab carrying Lightning ST over Dinde Bayou in Calcasieu Parish, Louisiana. It was built in 2017, so it is 8 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 150 vehicles a day, projected to reach 165 by 2042. The structure is 105 ft (32 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLightning ST
CrossesDinde Bayou
Location0.1 MI N of Mustang St.
RouteCounty Highway 0
Coordinates30.22297, -93.3679
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length105 ft (32 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic165 by 2042
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lightning ST over Dinde Bayou built?

It was built in 2017, making it 8 years old in 2025.

What condition is Lightning ST over Dinde Bayou 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 2023.

How much traffic does Lightning ST over Dinde Bayou carry?

About 150 vehicles per day (2022 count).

How long is Lightning ST over Dinde Bayou?

The structure is 105 ft (32 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns Lightning ST over Dinde Bayou?

It is owned by the City or Municipal Highway Agency.