US Bridges

US0084 over Bayou Pierre

Poor

Red River Parish, Louisiana · 2.44 MI West of LA 1 · Structure no. 044100210400001

Built
1955
70 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
402 ft
10 main spans
Daily traffic
2,013
2021 count
Owner
State
State Highway Agency

About this bridge

US0084 over Bayou Pierre is a steel stringer/multi-beam or girder carrying US0084 over Bayou Pierre in Red River Parish, Louisiana. It was built in 1955, so it is 70 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 2,013 vehicles a day, roughly 26% of them trucks, projected to reach 2,214 by 2041. The structure is 402 ft (122.5 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesUS0084
CrossesBayou Pierre
Location2.44 MI West of LA 1
RouteU.S. Route 84
Coordinates32.07771, -93.51118
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,013 (2021)
Projected traffic2,214 by 2041
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US0084 over Bayou Pierre built?

It was built in 1955, making it 70 years old in 2025.

What condition is US0084 over Bayou Pierre 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 June 2023.

How much traffic does US0084 over Bayou Pierre carry?

About 2,013 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US0084 over Bayou Pierre?

The structure is 402 ft (122.5 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns US0084 over Bayou Pierre?

It is owned by the State Highway Agency.