US Bridges

I0012 over Hog Branch

Fair

Livingston Parish, Louisiana · I0012 · Structure no. 623204540217221

Built
1969
56 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
5 main spans
Daily traffic
75,867
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over Hog Branch is a prestressed concrete stringer/multi-beam or girder carrying I0012 over Hog Branch in Livingston Parish, Louisiana. It was built in 1969, so it is 56 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 75,867 vehicles a day, roughly 25% of them trucks, projected to reach 83,453 by 2041. The structure is 302 ft (92 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0012
CrossesHog Branch
LocationI0012
RouteInterstate 12
Coordinates30.47558, -90.7023
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.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,867 (2021)
Projected traffic83,453 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$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I0012 over Hog Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is I0012 over Hog Branch 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 February 2024.

How much traffic does I0012 over Hog Branch carry?

About 75,867 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0012 over Hog Branch?

The structure is 302 ft (92 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns I0012 over Hog Branch?

It is owned by the State Highway Agency.