US Bridges

E. Lincoln RD over Black Bayou

Poor

Calcasieu Parish, Louisiana · 1.9 Mi. E. of LA 385 · Structure no. 071030066931091

Built
1987
38 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
617
2021 count
Owner
County
County Highway Agency

About this bridge

E. Lincoln RD over Black Bayou is a concrete slab carrying E. Lincoln RD over Black Bayou in Calcasieu Parish, Louisiana. It was built in 1987, so it is 38 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 617 vehicles a day, projected to reach 678 by 2041. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE. Lincoln RD
CrossesBlack Bayou
Location1.9 Mi. E. of LA 385
RouteCounty Highway 0
Coordinates30.11068, -93.18181
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic617 (2021)
Projected traffic678 by 2041
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 E. Lincoln RD over Black Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is E. Lincoln RD over Black Bayou 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 November 2023.

How much traffic does E. Lincoln RD over Black Bayou carry?

About 617 vehicles per day (2021 count).

How long is E. Lincoln RD over Black Bayou?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns E. Lincoln RD over Black Bayou?

It is owned by the County Highway Agency.