US Bridges

Guegnon St. over Youngs South Coulee

Fair

Vermilion Parish, Louisiana · 0.95 M. S. of LA 3267 · Structure no. 035729565920761

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
34 ft
2 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Guegnon St. over Youngs South Coulee is a concrete channel beam carrying Guegnon St. over Youngs South Coulee in Vermilion Parish, Louisiana. It was built in 1965, so it is 60 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 5 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 250 vehicles a day, projected to reach 275 by 2042. The structure is 34 ft (10.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGuegnon St.
CrossesYoungs South Coulee
Location0.95 M. S. of LA 3267
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.94295, -92.12783
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating28.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic275 by 2042
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 Guegnon St. over Youngs South Coulee built?

It was built in 1965, making it 60 years old in 2025.

What condition is Guegnon St. over Youngs South Coulee 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 September 2023.

How much traffic does Guegnon St. over Youngs South Coulee carry?

About 250 vehicles per day (2022 count).

How long is Guegnon St. over Youngs South Coulee?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Guegnon St. over Youngs South Coulee?

It is owned by the County Highway Agency.