US Bridges

David Allen Road over Creek

Good

St. Helena Parish, Louisiana · 3.10 MI North of LA.38 · Structure no. 624600000106001

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
—
2016 count
Owner
County
County Highway Agency

About this bridge

David Allen Road over Creek is a concrete culvert carrying David Allen Road over Creek in St. Helena Parish, Louisiana. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDavid Allen Road
CrossesCreek
Location3.10 MI North of LA.38
RouteCounty Highway 0
Coordinates30.96985, -90.72816
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span9 ft (2.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 David Allen Road over Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is David Allen Road over Creek 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 March 2024.

How much traffic does David Allen Road over Creek carry?

No traffic count is recorded for this structure.

How long is David Allen Road over Creek?

The structure is 40 ft (12.2 m) long with a longest span of 9 ft (2.7 m) and a deck 44 ft wide.

Who owns David Allen Road over Creek?

It is owned by the County Highway Agency.