US Bridges

Agate Rd. over Brushy Bayou

PoorPosted for load

Evangeline Parish, Louisiana · 2.28 MI E of US 165 · Structure no. 032030536923541

Built
2003
22 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
52 ft
3 main spans
Daily traffic
17
2021 count
Owner
County
County Highway Agency

About this bridge

Agate Rd. over Brushy Bayou is a wood or timber stringer/multi-beam or girder carrying Agate Rd. over Brushy Bayou in Evangeline Parish, Louisiana. It was built in 2003, so it is 22 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 4 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: posted for load restriction.

It carries about 17 vehicles a day, projected to reach 18 by 2041. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesAgate Rd.
CrossesBrushy Bayou
Location2.28 MI E of US 165
RouteCounty Highway 0
CountyEvangeline Parish
StateLouisiana
Coordinates30.89366, -92.59076
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating8.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length52 ft (15.8 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2021)
Projected traffic18 by 2041
Trucks—
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Agate Rd. over Brushy Bayou built?

It was built in 2003, making it 22 years old in 2025.

What condition is Agate Rd. over Brushy Bayou 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 April 2024.

How much traffic does Agate Rd. over Brushy Bayou carry?

About 17 vehicles per day (2021 count).

How long is Agate Rd. over Brushy Bayou?

The structure is 52 ft (15.8 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Agate Rd. over Brushy Bayou?

It is owned by the County Highway Agency.