US Bridges

Flynn ST over Roots Canal

PoorClosed to traffic

Ouachita Parish, Louisiana · Flynn St. in Monroe · Structure no. 053732312920591

Built
1985
40 years old
Condition
Poor
inspected July 2024
Type
Channel Beam
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
250
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

Flynn ST over Roots Canal is a prestressed concrete channel beam carrying Flynn ST over Roots Canal in Ouachita Parish, Louisiana. It was built in 1985, so it is 40 years old, younger 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 1 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: closed to all traffic.

It carries about 250 vehicles a day, projected to reach 275 by 2000. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFlynn ST
CrossesRoots Canal
LocationFlynn St. in Monroe
RouteCounty Highway 0
Coordinates32.51705, -92.09817
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (1980)
Projected traffic275 by 2000
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 Flynn ST over Roots Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is Flynn ST over Roots Canal 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 July 2024.

How much traffic does Flynn ST over Roots Canal carry?

About 250 vehicles per day (1980 count).

How long is Flynn ST over Roots Canal?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.

Who owns Flynn ST over Roots Canal?

It is owned by the City or Municipal Highway Agency.