US Bridges

E Douglas ST over Drainage Bayou

GoodPosted for load

Ascension Parish, Louisiana · .10 Miles South LA 3038 · Structure no. 610330139905511

Built
1995
30 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

E Douglas ST over Drainage Bayou is a wood or timber stringer/multi-beam or girder carrying E Douglas ST over Drainage Bayou in Ascension Parish, Louisiana. It was built in 1995, so it is 30 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 22 by 2039. The structure is 32 ft (9.8 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesE Douglas ST
CrossesDrainage Bayou
Location.10 Miles South LA 3038
RouteCounty Highway 0
CountyAscension Parish
StateLouisiana
Coordinates30.23134, -90.91781
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span17 ft (5.2 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic22 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$144,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Douglas ST over Drainage Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is E Douglas ST over Drainage Bayou 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 April 2023.

How much traffic does E Douglas ST over Drainage Bayou carry?

About 20 vehicles per day (2019 count).

How long is E Douglas ST over Drainage Bayou?

The structure is 32 ft (9.8 m) long with a longest span of 17 ft (5.2 m) and a deck 18 ft wide.

Who owns E Douglas ST over Drainage Bayou?

It is owned by the County Highway Agency.