US Bridges

Temple RD over Black Bayou

Fair

Concordia Parish, Louisiana · Log MI 0.211 N of HWY 84 · Structure no. 581500000700148

Built
2010
15 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
125
2001 count
Owner
County
County Highway Agency

About this bridge

Temple RD over Black Bayou is a concrete slab carrying Temple RD over Black Bayou in Concordia Parish, Louisiana. It was built in 2010, so it is 15 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 125 vehicles a day, projected to reach 137 by 2021. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesTemple RD
CrossesBlack Bayou
LocationLog MI 0.211 N of HWY 84
RouteCounty Highway 0
Coordinates31.62602, -91.58455
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2001)
Projected traffic137 by 2021
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 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 Temple RD over Black Bayou built?

It was built in 2010, making it 15 years old in 2025.

What condition is Temple RD over Black Bayou 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 March 2024.

How much traffic does Temple RD over Black Bayou carry?

About 125 vehicles per day (2001 count).

How long is Temple RD over Black Bayou?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Temple RD over Black Bayou?

It is owned by the County Highway Agency.