US Bridges

Devall RD over Drainage Canal

Fair

East Baton Rouge Parish, Louisiana · 0.8 MI N of LA 408 · Structure no. 611730341910191

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
2,092
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Devall RD over Drainage Canal is a concrete slab carrying Devall RD over Drainage Canal in East Baton Rouge Parish, Louisiana. It was built in 1967, so it is 58 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 5 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 2,092 vehicles a day, projected to reach 2,301 by 2039. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDevall RD
CrossesDrainage Canal
Location0.8 MI N of LA 408
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.56841, -91.03236
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.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,092 (2019)
Projected traffic2,301 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Devall RD over Drainage Canal built?

It was built in 1967, making it 58 years old in 2025.

What condition is Devall RD over Drainage 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 September 2023.

How much traffic does Devall RD over Drainage Canal carry?

About 2,092 vehicles per day (2019 count).

How long is Devall RD over Drainage 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 Devall RD over Drainage Canal?

It is owned by the City or Municipal Highway Agency.