US Bridges

Cook RD over Boggy Bayou Trib

Fair

Caddo Parish, Louisiana · 0.5M South of Caddo RD 8 · Structure no. 040932220940011

Built
1992
33 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
38
2019 count
Owner
County
County Highway Agency

About this bridge

Cook RD over Boggy Bayou Trib is a concrete slab carrying Cook RD over Boggy Bayou Trib in Caddo Parish, Louisiana. It was built in 1992, so it is 33 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 38 vehicles a day, projected to reach 41 by 2039. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCook RD
CrossesBoggy Bayou Trib
Location0.5M South of Caddo RD 8
RouteCounty Highway 0
Coordinates32.36745, -94.0005
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2019)
Projected traffic41 by 2039
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 Cook RD over Boggy Bayou Trib built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cook RD over Boggy 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 February 2025.

How much traffic does Cook RD over Boggy Bayou Trib carry?

About 38 vehicles per day (2019 count).

How long is Cook RD over Boggy Bayou Trib?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Cook RD over Boggy Bayou Trib?

It is owned by the County Highway Agency.