US Bridges

LA3164 over I-110

Fair

East Baton Rouge Parish, Louisiana · 1.0 MI S of US 190 Bus · Structure no. 611704509201981

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
265 ft
4 main spans
Daily traffic
5,860
2021 count
Owner
State
State Highway Agency

About this bridge

LA3164 over I-110 is a steel stringer/multi-beam or girder carrying LA3164 over I-110 in East Baton Rouge 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 5,860 vehicles a day, roughly 7% of them trucks, projected to reach 6,446 by 2041. The structure is 265 ft (80.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA3164
CrossesI-110
Location1.0 MI S of US 190 Bus
RouteCounty Highway 3146
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.45888, -91.16752
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span90 ft (27.4 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,860 (2021)
Projected traffic6,446 by 2041
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA3164 over I-110 built?

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

What condition is LA3164 over I-110 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 July 2023.

How much traffic does LA3164 over I-110 carry?

About 5,860 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA3164 over I-110?

The structure is 265 ft (80.8 m) long with a longest span of 90 ft (27.4 m) and a deck 44 ft wide.

Who owns LA3164 over I-110?

It is owned by the State Highway Agency.