US Bridges

LA0010 over Tangipahoa River

Fair

Tangipahoa Parish, Louisiana · 0.7 Miles East of US 51 · Structure no. 625302770100681

Built
1966
59 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
482 ft
8 main spans
Daily traffic
3,768
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Tangipahoa River is a steel stringer/multi-beam or girder carrying LA0010 over Tangipahoa River in Tangipahoa Parish, Louisiana. It was built in 1966, so it is 59 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 3,768 vehicles a day, roughly 12% of them trucks, projected to reach 4,144 by 2041. The structure is 482 ft (146.9 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesLA0010
CrossesTangipahoa River
Location0.7 Miles East of US 51
RouteState Highway 10
CountyTangipahoa Parish
StateLouisiana
Coordinates30.77742, -90.4985
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length482 ft (146.9 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,768 (2021)
Projected traffic4,144 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Tangipahoa River built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA0010 over Tangipahoa River 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 May 2023.

How much traffic does LA0010 over Tangipahoa River carry?

About 3,768 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0010 over Tangipahoa River?

The structure is 482 ft (146.9 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns LA0010 over Tangipahoa River?

It is owned by the State Highway Agency.