US Bridges

N 19th St. over I-110

Fair

East Baton Rouge Parish, Louisiana · 1.4 M NE of I-10&I-110 · Structure no. 611704509201841

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
265 ft
5 main spans
Daily traffic
44,150
2015 count
Owner
State
State Highway Agency

About this bridge

N 19th St. over I-110 is a steel stringer/multi-beam or girder carrying N 19th St. 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 44,150 vehicles a day, projected to reach 48,565 by 2035. The structure is 265 ft (80.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN 19th St.
CrossesI-110
Location1.4 M NE of I-10&I-110
RouteCounty Highway 0
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.45824, -91.16988
Functional classUrban Local

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 inspectionOctober 2024
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 rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,150 (2015)
Projected traffic48,565 by 2035
Trucks—
Lanes on structure2
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 N 19th St. over I-110 built?

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

What condition is N 19th St. 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 October 2024.

How much traffic does N 19th St. over I-110 carry?

About 44,150 vehicles per day (2015 count).

How long is N 19th St. over I-110?

The structure is 265 ft (80.8 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns N 19th St. over I-110?

It is owned by the State Highway Agency.