US Bridges

I0055 over Beaver Creek

Fair

Tangipahoa Parish, Louisiana · I0055 · Structure no. 625304529042922

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
162 ft
4 main spans
Daily traffic
17,665
2021 count
Owner
State
State Highway Agency

About this bridge

I0055 over Beaver Creek is a concrete tee beam carrying I0055 over Beaver Creek 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 17,665 vehicles a day, roughly 25% of them trucks, projected to reach 19,431 by 2041. The structure is 162 ft (49.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0055
CrossesBeaver Creek
LocationI0055
RouteInterstate 55
Coordinates30.87811, -90.5313
Functional classRural Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,665 (2021)
Projected traffic19,431 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$748,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0055 over Beaver Creek built?

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

What condition is I0055 over Beaver 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 December 2024.

How much traffic does I0055 over Beaver Creek carry?

About 17,665 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0055 over Beaver Creek?

The structure is 162 ft (49.4 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns I0055 over Beaver Creek?

It is owned by the State Highway Agency.