US Bridges

72nd Ave over I-110;MONTE Sano Bayou

Fair

East Baton Rouge Parish, Louisiana · 0.4 M N of I-110&US 61 · Structure no. 611704509206041

Built
1976
49 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
683 ft
7 main spans
Daily traffic
30,750
2015 count
Owner
State
State Highway Agency

About this bridge

72nd Ave over I-110;MONTE Sano Bayou is a concrete continuous box beam or girders - multiple carrying 72nd Ave over I-110;MONTE Sano Bayou in East Baton Rouge Parish, Louisiana. It was built in 1976, so it is 49 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 30,750 vehicles a day, projected to reach 33,825 by 2035. The structure is 683 ft (208.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries72nd Ave
CrossesI-110;MONTE Sano Bayou
Location0.4 M N of I-110&US 61
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.51473, -91.1597
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating26.5 US tons
Inventory rating4.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length683 ft (208.2 m)
Longest span120 ft (36.6 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,750 (2015)
Projected traffic33,825 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 72nd Ave over I-110;MONTE Sano Bayou built?

It was built in 1976, making it 49 years old in 2025.

What condition is 72nd Ave over I-110;MONTE Sano 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 April 2023.

How much traffic does 72nd Ave over I-110;MONTE Sano Bayou carry?

About 30,750 vehicles per day (2015 count).

How long is 72nd Ave over I-110;MONTE Sano Bayou?

The structure is 683 ft (208.2 m) long with a longest span of 120 ft (36.6 m) and a deck 40 ft wide.

Who owns 72nd Ave over I-110;MONTE Sano Bayou?

It is owned by the State Highway Agency.