US Bridges

Magnolia Loop over Routh Creek

Good

La Salle Parish, Louisiana · Logmi 0.66 FR 80 to Ode · Structure no. 583031302921191

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
50
1999 count
Owner
County
County Highway Agency

About this bridge

Magnolia Loop over Routh Creek is a concrete slab carrying Magnolia Loop over Routh Creek in La Salle Parish, Louisiana. It was built in 2000, so it is 25 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 55 by 2019. The structure is 60 ft (18.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMagnolia Loop
CrossesRouth Creek
LocationLogmi 0.66 FR 80 to Ode
RouteCounty Highway 0
Coordinates31.50376, -92.1952
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1999)
Projected traffic55 by 2019
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Magnolia Loop over Routh Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Magnolia Loop over Routh Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Magnolia Loop over Routh Creek carry?

About 50 vehicles per day (1999 count).

How long is Magnolia Loop over Routh Creek?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Magnolia Loop over Routh Creek?

It is owned by the County Highway Agency.