US Bridges

LA0010 over Darlington Creek

Fair

St. Helena Parish, Louisiana · LA0010 · Structure no. 624600610702651

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
350 ft
7 main spans
Daily traffic
1,732
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Darlington Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0010 over Darlington Creek in St. Helena Parish, Louisiana. It was built in 1981, so it is 44 years old, older 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 1,732 vehicles a day, roughly 11% of them trucks, projected to reach 1,905 by 2041. The structure is 350 ft (106.7 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesLA0010
CrossesDarlington Creek
LocationLA0010
RouteState Highway 10
CountySt. Helena Parish
StateLouisiana
Coordinates30.8835, -90.8061
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,732 (2021)
Projected traffic1,905 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0010 over Darlington Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA0010 over Darlington Creek 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 September 2024.

How much traffic does LA0010 over Darlington Creek carry?

About 1,732 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0010 over Darlington Creek?

The structure is 350 ft (106.7 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns LA0010 over Darlington Creek?

It is owned by the State Highway Agency.