US Bridges

Trails End RD over Bayou Bonne Idee

Poor

Morehouse Parish, Louisiana · 3.9 MI E. Int. US 425 · Structure no. 053432386914231

Built
1986
39 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
150
1974 count
Owner
County
County Highway Agency

About this bridge

Trails End RD over Bayou Bonne Idee is a concrete slab carrying Trails End RD over Bayou Bonne Idee in Morehouse Parish, Louisiana. It was built in 1986, so it is 39 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 150 vehicles a day, projected to reach 165 by 1994. The structure is 133 ft (40.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTrails End RD
CrossesBayou Bonne Idee
Location3.9 MI E. Int. US 425
RouteCounty Highway 0
Coordinates32.64366, -91.70375
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1974)
Projected traffic165 by 1994
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 Trails End RD over Bayou Bonne Idee built?

It was built in 1986, making it 39 years old in 2025.

What condition is Trails End RD over Bayou Bonne Idee in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Trails End RD over Bayou Bonne Idee carry?

About 150 vehicles per day (1974 count).

How long is Trails End RD over Bayou Bonne Idee?

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Trails End RD over Bayou Bonne Idee?

It is owned by the County Highway Agency.