US Bridges

LA0001 over Mo Pacific RR

Poor

West Baton Rouge Parish, Louisiana · 0.25 MI N of LA 987-2 · Structure no. 616100500711951

Built
1952
73 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,392 ft
37 main spans
Daily traffic
25,347
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Mo Pacific RR is a steel stringer/multi-beam or girder carrying LA0001 over Mo Pacific RR in West Baton Rouge Parish, Louisiana. It was built in 1952, so it is 73 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25,347 vehicles a day, roughly 9% of them trucks, projected to reach 27,881 by 2041. The structure is 1,392 ft (424.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0001
CrossesMo Pacific RR
Location0.25 MI N of LA 987-2
RouteState Highway 1
CountyWest Baton Rouge Parish
StateLouisiana
Coordinates30.48113, -91.21126
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans37
Design loadHS 20
Structure length1,392 ft (424.3 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,347 (2021)
Projected traffic27,881 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 1952, making it 73 years old in 2025.

What condition is LA0001 over Mo Pacific RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does LA0001 over Mo Pacific RR carry?

About 25,347 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0001 over Mo Pacific RR?

The structure is 1,392 ft (424.3 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns LA0001 over Mo Pacific RR?

It is owned by the State Highway Agency.