US Bridges

Heinen Rd. over Prather Gully

Fair

Acadia Parish, Louisiana · 0.4 Mi. North of LA 367 · Structure no. 030130203921911

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
96
2021 count
Owner
County
County Highway Agency

About this bridge

Heinen Rd. over Prather Gully is a steel culvert carrying Heinen Rd. over Prather Gully in Acadia Parish, Louisiana. It was built in 1992, so it is 33 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 96 vehicles a day, projected to reach 105 by 2041. The structure is 27 ft (8.2 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHeinen Rd.
CrossesPrather Gully
Location0.4 Mi. North of LA 367
RouteCounty Highway 0
CountyAcadia Parish
StateLouisiana
Coordinates30.33717, -92.31866
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span9 ft (2.7 m)
Deck width60 ft (18.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2021)
Projected traffic105 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$127,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Heinen Rd. over Prather Gully built?

It was built in 1992, making it 33 years old in 2025.

What condition is Heinen Rd. over Prather Gully 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 2024.

How much traffic does Heinen Rd. over Prather Gully carry?

About 96 vehicles per day (2021 count).

How long is Heinen Rd. over Prather Gully?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m) and a deck 60 ft wide.

Who owns Heinen Rd. over Prather Gully?

It is owned by the County Highway Agency.