US Bridges

I0010 over EB on Ramp (US51)

Fair

St. John the Baptist Parish, Louisiana · I0010 · Structure no. 624804501312495

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
555 ft
8 main spans
Daily traffic
15,642
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over EB on Ramp (US51) is a prestressed concrete stringer/multi-beam or girder carrying I0010 over EB on Ramp (US51) in St. John the Baptist 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 15,642 vehicles a day, roughly 26% of them trucks, projected to reach 17,206 by 2041. The structure is 555 ft (169.2 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesI0010
CrossesEB on Ramp (US51)
LocationI0010
RouteInterstate 10
CountySt. John the Baptist Parish
StateLouisiana
Coordinates30.08749, -90.4407
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8 (+7 approach)
Design loadHS 20
Structure length555 ft (169.2 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,642 (2021)
Projected traffic17,206 by 2041
Trucks26%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over EB on Ramp (US51) built?

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

What condition is I0010 over EB on Ramp (US51) 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 June 2023.

How much traffic does I0010 over EB on Ramp (US51) carry?

About 15,642 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0010 over EB on Ramp (US51)?

The structure is 555 ft (169.2 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns I0010 over EB on Ramp (US51)?

It is owned by the State Highway Agency.