US Bridges

LA3034 over Beaver Bayou

Fair

East Baton Rouge Parish, Louisiana · 2.1 M W of LA 37 · Structure no. 611702553001441

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
14,635
2021 count
Owner
State
State Highway Agency

About this bridge

LA3034 over Beaver Bayou is a concrete culvert carrying LA3034 over Beaver Bayou in East Baton Rouge Parish, Louisiana. It was built in 1955, so it is 70 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 14,635 vehicles a day, roughly 7% of them trucks, projected to reach 16,098 by 2041. The structure is 32 ft (9.8 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLA3034
CrossesBeaver Bayou
Location2.1 M W of LA 37
RouteState Highway 3034
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.54315, -91.02071
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width59 ft (18 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,635 (2021)
Projected traffic16,098 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$205,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3034 over Beaver Bayou built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA3034 over Beaver Bayou 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 June 2023.

How much traffic does LA3034 over Beaver Bayou carry?

About 14,635 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA3034 over Beaver Bayou?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 59 ft wide.

Who owns LA3034 over Beaver Bayou?

It is owned by the State Highway Agency.