US Bridges

I0055 over Terrys Creek

Fair

Tangipahoa Parish, Louisiana · 2 Miles North of LA 38 · Structure no. 625304529049051

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
240 ft
12 main spans
Daily traffic
21,762
2021 count
Owner
State
State Highway Agency

About this bridge

I0055 over Terrys Creek is a concrete slab carrying I0055 over Terrys 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 5 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 21,762 vehicles a day, roughly 25% of them trucks, projected to reach 23,938 by 2041. The structure is 240 ft (73.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0055
CrossesTerrys Creek
Location2 Miles North of LA 38
RouteInterstate 55
Coordinates30.96489, -90.5163
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,762 (2021)
Projected traffic23,938 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0055 over Terrys Creek built?

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

What condition is I0055 over Terrys 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 Terrys Creek carry?

About 21,762 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0055 over Terrys Creek?

The structure is 240 ft (73.2 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns I0055 over Terrys Creek?

It is owned by the State Highway Agency.