US Bridges

LA0009 over Black Lake Creek

Fair

Bienville Parish, Louisiana · 1.2 MI North of I-20 · Structure no. 040700430502841

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
2,360
2021 count
Owner
State
State Highway Agency

About this bridge

LA0009 over Black Lake Creek is a concrete slab carrying LA0009 over Black Lake Creek in Bienville Parish, Louisiana. It was built in 1975, so it is 50 years old, older 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 2,360 vehicles a day, roughly 19% of them trucks, projected to reach 2,596 by 2041. The structure is 120 ft (36.6 m) long and 47 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesLA0009
CrossesBlack Lake Creek
Location1.2 MI North of I-20
RouteState Highway 9
CountyBienville Parish
StateLouisiana
Coordinates32.57551, -92.9612
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width47 ft (14.4 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,360 (2021)
Projected traffic2,596 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0009 over Black Lake Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is LA0009 over Black Lake Creek 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 May 2023.

How much traffic does LA0009 over Black Lake Creek carry?

About 2,360 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0009 over Black Lake Creek?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.

Who owns LA0009 over Black Lake Creek?

It is owned by the State Highway Agency.