US Bridges

I0010 over I-12 Ramp to I-10

Fair

East Baton Rouge Parish, Louisiana · 2.2 M W of US 61 · Structure no. 611704501005181

Built
1974
51 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,381 ft
12 main spans
Daily traffic
8,250
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over I-12 Ramp to I-10 is a steel stringer/multi-beam or girder carrying I0010 over I-12 Ramp to I-10 in East Baton Rouge Parish, Louisiana. It was built in 1974, so it is 51 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 8,250 vehicles a day, roughly 9% of them trucks, projected to reach 9,075 by 2041. The structure is 1,381 ft (420.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI0010
CrossesI-12 Ramp to I-10
Location2.2 M W of US 61
RouteInterstate 10
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.41919, -91.11194
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,381 ft (420.9 m)
Longest span155 ft (47.2 m)
Deck width31 ft (9.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,250 (2021)
Projected traffic9,075 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$5.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over I-12 Ramp to I-10 built?

It was built in 1974, making it 51 years old in 2025.

What condition is I0010 over I-12 Ramp to I-10 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 September 2023.

How much traffic does I0010 over I-12 Ramp to I-10 carry?

About 8,250 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I0010 over I-12 Ramp to I-10?

The structure is 1,381 ft (420.9 m) long with a longest span of 155 ft (47.2 m) and a deck 31 ft wide.

Who owns I0010 over I-12 Ramp to I-10?

It is owned by the State Highway Agency.