US Bridges

Maple St. over Saline Bayou Trib

Fair

Bienville Parish, Louisiana · 0.4 M South of US 80 · Structure no. 040732328925551

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
59 ft
3 main spans
Daily traffic
350
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maple St. over Saline Bayou Trib is a concrete slab carrying Maple St. over Saline Bayou Trib in Bienville Parish, Louisiana. It was built in 1991, so it is 34 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 5 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 350 vehicles a day, projected to reach 385 by 2040. The structure is 59 ft (18 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMaple St.
CrossesSaline Bayou Trib
Location0.4 M South of US 80
RouteCounty Highway 0
Coordinates32.54777, -92.9239
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length59 ft (18 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2020)
Projected traffic385 by 2040
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 Maple St. over Saline Bayou Trib built?

It was built in 1991, making it 34 years old in 2025.

What condition is Maple St. over Saline Bayou Trib 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 Maple St. over Saline Bayou Trib carry?

About 350 vehicles per day (2020 count).

How long is Maple St. over Saline Bayou Trib?

The structure is 59 ft (18 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Maple St. over Saline Bayou Trib?

It is owned by the City or Municipal Highway Agency.