US Bridges

Ave G over Roadside Ditch

PoorPosted for load

East Baton Rouge Parish, Louisiana · 7 W of LA 19 · Structure no. 611730395910911

Built
1978
47 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
350
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ave G over Roadside Ditch is a concrete slab carrying Ave G over Roadside Ditch in East Baton Rouge Parish, Louisiana. It was built in 1978, so it is 47 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, projected to reach 385 by 2039. The structure is 39 ft (11.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAve G
CrossesRoadside Ditch
Location7 W of LA 19
RouteCounty Highway 0
Coordinates30.65944, -91.15028
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic385 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ave G over Roadside Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ave G over Roadside Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Ave G over Roadside Ditch carry?

About 350 vehicles per day (2019 count).

How long is Ave G over Roadside Ditch?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns Ave G over Roadside Ditch?

It is owned by the City or Municipal Highway Agency.