US Bridges

LA0008 over Sugarhouse Bayou

Fair

Grant Parish, Louisiana · 1.4 Mi. East of LA 158 · Structure no. 082208221601401

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
2,113
2021 count
Owner
State
State Highway Agency

About this bridge

LA0008 over Sugarhouse Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA0008 over Sugarhouse Bayou in Grant Parish, Louisiana. It was built in 1972, so it is 53 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 2,113 vehicles a day, roughly 14% of them trucks, projected to reach 2,324 by 2041. The structure is 150 ft (45.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0008
CrossesSugarhouse Bayou
Location1.4 Mi. East of LA 158
RouteState Highway 8
Coordinates31.52526, -92.6846
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.9 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,113 (2021)
Projected traffic2,324 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 LA0008 over Sugarhouse Bayou built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0008 over Sugarhouse Bayou 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 August 2024.

How much traffic does LA0008 over Sugarhouse Bayou carry?

About 2,113 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0008 over Sugarhouse Bayou?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns LA0008 over Sugarhouse Bayou?

It is owned by the State Highway Agency.