US Bridges

LA0001 over Mo Pacific RR

Fair

West Baton Rouge Parish, Louisiana · LA0001 · Structure no. 616100500711952

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,393 ft
21 main spans
Daily traffic
14,751
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Mo Pacific RR is a prestressed concrete stringer/multi-beam or girder carrying LA0001 over Mo Pacific RR in West Baton Rouge Parish, Louisiana. It was built in 1966, so it is 59 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 14,751 vehicles a day, roughly 9% of them trucks, projected to reach 16,226 by 2041. The structure is 1,393 ft (424.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0001
CrossesMo Pacific RR
LocationLA0001
RouteState Highway 1
Coordinates30.48118, -91.21146
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans21
Design loadHS 20
Structure length1,393 ft (424.6 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,751 (2021)
Projected traffic16,226 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 LA0001 over Mo Pacific RR built?

It was built in 1966, making it 59 years old in 2025.

What condition is LA0001 over Mo Pacific RR 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 August 2023.

How much traffic does LA0001 over Mo Pacific RR carry?

About 14,751 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0001 over Mo Pacific RR?

The structure is 1,393 ft (424.6 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns LA0001 over Mo Pacific RR?

It is owned by the State Highway Agency.