US Bridges

Miller Ave over Calcasieu River

Fair

Calcasieu Parish, Louisiana · 0.4 MI N of Mckinley St. · Structure no. 071000000070029

Built
2013
12 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
4,463
2019 count
Owner
County
County Highway Agency

About this bridge

Miller Ave over Calcasieu River is a concrete slab carrying Miller Ave over Calcasieu River in Calcasieu Parish, Louisiana. It was built in 2013, so it is 12 years old, younger 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 4,463 vehicles a day, projected to reach 4,909 by 2039. The structure is 140 ft (42.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMiller Ave
CrossesCalcasieu River
Location0.4 MI N of Mckinley St.
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.25169, -93.24649
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,463 (2019)
Projected traffic4,909 by 2039
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 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 Miller Ave over Calcasieu River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Miller Ave over Calcasieu River 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 December 2023.

How much traffic does Miller Ave over Calcasieu River carry?

About 4,463 vehicles per day (2019 count).

How long is Miller Ave over Calcasieu River?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Miller Ave over Calcasieu River?

It is owned by the County Highway Agency.