US Bridges

US0061 over LA 73 North

PoorPosted for load

East Baton Rouge Parish, Louisiana · 1.33 Mi. South of I-12 · Structure no. 611700079000442

Built
1953
72 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
320 ft
2 main spans
Daily traffic
29,303
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over LA 73 North is a steel continuous stringer/multi-beam or girder carrying US0061 over LA 73 North in East Baton Rouge Parish, Louisiana. It was built in 1953, so it is 72 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 3 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 29,303 vehicles a day, roughly 9% of them trucks, projected to reach 32,233 by 2041. The structure is 320 ft (97.5 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesUS0061
CrossesLA 73 North
Location1.33 Mi. South of I-12
RouteU.S. Route 61
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.40795, -91.06353
Functional classUrban Other Principal Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+5 approach)
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span70 ft (21.3 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,303 (2021)
Projected traffic32,233 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0061 over LA 73 North built?

It was built in 1953, making it 72 years old in 2025.

What condition is US0061 over LA 73 North 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 February 2024.

How much traffic does US0061 over LA 73 North carry?

About 29,303 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US0061 over LA 73 North?

The structure is 320 ft (97.5 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.

Who owns US0061 over LA 73 North?

It is owned by the State Highway Agency.