US Bridges

Green Lane over Bayou Bonne Idee

Fair

Morehouse Parish, Louisiana · 0.5 MI S of LA 599 · Structure no. 053432506914321

Built
1995
30 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
150
1979 count
Owner
County
County Highway Agency

About this bridge

Green Lane over Bayou Bonne Idee is a concrete slab carrying Green Lane over Bayou Bonne Idee in Morehouse Parish, Louisiana. It was built in 1995, so it is 30 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 150 vehicles a day, projected to reach 165 by 1999. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGreen Lane
CrossesBayou Bonne Idee
Location0.5 MI S of LA 599
RouteCounty Highway 0
Coordinates32.84469, -91.71884
Functional classRural Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1979)
Projected traffic165 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Green Lane over Bayou Bonne Idee built?

It was built in 1995, making it 30 years old in 2025.

What condition is Green Lane over Bayou Bonne Idee 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 September 2024.

How much traffic does Green Lane over Bayou Bonne Idee carry?

About 150 vehicles per day (1979 count).

How long is Green Lane over Bayou Bonne Idee?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Green Lane over Bayou Bonne Idee?

It is owned by the County Highway Agency.