US Bridges

Bayou Crab RD over Norman Canal

Good

Assumption Parish, Louisiana · 0.8 Mi. E. of LA 401 · Structure no. 610400000610408

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
64 ft
3 main spans
Daily traffic
316
2021 count
Owner
County
County Highway Agency

About this bridge

Bayou Crab RD over Norman Canal is a concrete slab carrying Bayou Crab RD over Norman Canal in Assumption Parish, Louisiana. It was built in 2022, so it is 3 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 316 vehicles a day, projected to reach 347 by 2041. The structure is 64 ft (19.5 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesBayou Crab RD
CrossesNorman Canal
Location0.8 Mi. E. of LA 401
RouteCounty Highway 0
Coordinates29.87037, -91.09522
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating74.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length64 ft (19.5 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic316 (2021)
Projected traffic347 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Bayou Crab RD over Norman Canal built?

It was built in 2022, making it 3 years old in 2025.

What condition is Bayou Crab RD over Norman Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Bayou Crab RD over Norman Canal carry?

About 316 vehicles per day (2021 count).

How long is Bayou Crab RD over Norman Canal?

The structure is 64 ft (19.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns Bayou Crab RD over Norman Canal?

It is owned by the County Highway Agency.