US Bridges

Bull Run RD over Cocke Canal

Fair

Terrebonne Parish, Louisiana · 4.1 MI W of LA 311 · Structure no. 025529389905231

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
447
2021 count
Owner
County
County Highway Agency

About this bridge

Bull Run RD over Cocke Canal is a concrete slab carrying Bull Run RD over Cocke Canal in Terrebonne Parish, Louisiana. It was built in 1980, so it is 45 years old, older 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 447 vehicles a day, projected to reach 491 by 2041. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesBull Run RD
CrossesCocke Canal
Location4.1 MI W of LA 311
RouteCounty Highway 0
CountyTerrebonne Parish
StateLouisiana
Coordinates29.65034, -90.87232
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 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 traffic447 (2021)
Projected traffic491 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Bull Run RD over Cocke Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bull Run RD over Cocke Canal 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 April 2023.

How much traffic does Bull Run RD over Cocke Canal carry?

About 447 vehicles per day (2021 count).

How long is Bull Run RD over Cocke Canal?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Bull Run RD over Cocke Canal?

It is owned by the County Highway Agency.