US Bridges

I0012 over Jefferson Hwy&wards Crk

Good

East Baton Rouge Parish, Louisiana · I-12 E.B. @ Jefferson HWY · Structure no. 611704540101731

Built
1999
26 years old
Condition
Good
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
865 ft
8 main spans
Daily traffic
28,013
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over Jefferson Hwy&wards Crk is a steel girder and floorbeam system carrying I0012 over Jefferson Hwy&wards Crk in East Baton Rouge Parish, Louisiana. It was built in 1999, so it is 26 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,013 vehicles a day, roughly 9% of them trucks, projected to reach 30,814 by 2041. The structure is 865 ft (263.7 m) long and 76 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesI0012
CrossesJefferson Hwy&wards Crk
LocationI-12 E.B. @ Jefferson HWY
RouteInterstate 12
Coordinates30.41711, -91.0919
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length865 ft (263.7 m)
Longest span180 ft (54.9 m)
Deck width76 ft (23.2 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,013 (2021)
Projected traffic30,814 by 2041
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0012 over Jefferson Hwy&wards Crk built?

It was built in 1999, making it 26 years old in 2025.

What condition is I0012 over Jefferson Hwy&wards Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does I0012 over Jefferson Hwy&wards Crk carry?

About 28,013 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I0012 over Jefferson Hwy&wards Crk?

The structure is 865 ft (263.7 m) long with a longest span of 180 ft (54.9 m) and a deck 76 ft wide.

Who owns I0012 over Jefferson Hwy&wards Crk?

It is owned by the State Highway Agency.