US Bridges

LA0415 over Kahns Rd/Mo Pac RR

Good

West Baton Rouge Parish, Louisiana · 1.0 M S of LA 1 · Structure no. 616100130100931

Built
1994
31 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,413 ft
21 main spans
Daily traffic
21,189
2021 count
Owner
State
State Highway Agency

About this bridge

LA0415 over Kahns Rd/Mo Pac RR is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0415 over Kahns Rd/Mo Pac RR in West Baton Rouge Parish, Louisiana. It was built in 1994, so it is 31 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 21,189 vehicles a day, roughly 9% of them trucks, projected to reach 23,307 by 2041. The structure is 1,413 ft (430.7 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0415
CrossesKahns Rd/Mo Pac RR
Location1.0 M S of LA 1
RouteState Highway 415
Coordinates30.48288, -91.25085
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans21
Design loadHS 20
Structure length1,413 ft (430.7 m)
Longest span84 ft (25.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,189 (2021)
Projected traffic23,307 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0415 over Kahns Rd/Mo Pac RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is LA0415 over Kahns Rd/Mo Pac RR 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 June 2023.

How much traffic does LA0415 over Kahns Rd/Mo Pac RR carry?

About 21,189 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0415 over Kahns Rd/Mo Pac RR?

The structure is 1,413 ft (430.7 m) long with a longest span of 84 ft (25.6 m) and a deck 42 ft wide.

Who owns LA0415 over Kahns Rd/Mo Pac RR?

It is owned by the State Highway Agency.