US Bridges

Gladu Road over Coulee

Fair

Vermilion Parish, Louisiana · 0.4 Mi. West of 343 · Structure no. 035700000035706

Built
2009
16 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
30 ft
3 main spans
Daily traffic
350
2019 count
Owner
County
County Highway Agency

About this bridge

Gladu Road over Coulee is a wood or timber stringer/multi-beam or girder carrying Gladu Road over Coulee in Vermilion Parish, Louisiana. It was built in 2009, so it is 16 years old, younger 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 350 vehicles a day, roughly 13% of them trucks, projected to reach 385 by 2039. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGladu Road
CrossesCoulee
Location0.4 Mi. West of 343
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates30.06443, -92.19033
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
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 rating35.1 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span11 ft (3.4 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic385 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Gladu Road over Coulee built?

It was built in 2009, making it 16 years old in 2025.

What condition is Gladu Road over 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 July 2023.

How much traffic does Gladu Road over Coulee carry?

About 350 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Gladu Road over Coulee?

The structure is 30 ft (9.1 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.

Who owns Gladu Road over Coulee?

It is owned by the County Highway Agency.