US Bridges

LA0010 over Amite River @ Darlington

Fair

St. Helena Parish, Louisiana · 10.4 Miles East of LA 67 · Structure no. 624600610700001

Built
1963
62 years old, rebuilt 1999
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
605 ft
11 main spans
Daily traffic
2,534
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Amite River @ Darlington is a steel stringer/multi-beam or girder carrying LA0010 over Amite River @ Darlington in St. Helena Parish, Louisiana. It was built in 1963 and reconstructed in 1999, so it is 62 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 2,534 vehicles a day, roughly 11% of them trucks, projected to reach 2,787 by 2041. The structure is 605 ft (184.4 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0010
CrossesAmite River @ Darlington
Location10.4 Miles East of LA 67
RouteState Highway 10
CountySt. Helena Parish
StateLouisiana
Coordinates30.8883, -90.8489
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length605 ft (184.4 m)
Longest span0 ft (0 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,534 (2021)
Projected traffic2,787 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Amite River @ Darlington built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1999.

What condition is LA0010 over Amite River @ Darlington 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 2023.

How much traffic does LA0010 over Amite River @ Darlington carry?

About 2,534 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0010 over Amite River @ Darlington?

The structure is 605 ft (184.4 m) long and a deck 33 ft wide.

Who owns LA0010 over Amite River @ Darlington?

It is owned by the State Highway Agency.