US Bridges

LA3184 over Bnsf/Walker RD

Fair

Lafayette Parish, Louisiana · 0.1 MI N of US 90 · Structure no. 032808284501101

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
682 ft
10 main spans
Daily traffic
39,201
2021 count
Owner
State
State Highway Agency

About this bridge

LA3184 over Bnsf/Walker RD is a prestressed concrete stringer/multi-beam or girder carrying LA3184 over Bnsf/Walker RD in Lafayette Parish, Louisiana. It was built in 1983, so it is 42 years old, younger 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 39,201 vehicles a day, roughly 10% of them trucks, projected to reach 43,121 by 2041. The structure is 682 ft (207.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLA3184
CrossesBnsf/Walker RD
Location0.1 MI N of US 90
RouteState Highway 3184
CountyLafayette Parish
StateLouisiana
Coordinates30.23394, -92.0625
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length682 ft (207.9 m)
Longest span70 ft (21.3 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,201 (2021)
Projected traffic43,121 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA3184 over Bnsf/Walker RD built?

It was built in 1983, making it 42 years old in 2025.

What condition is LA3184 over Bnsf/Walker RD 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 March 2023.

How much traffic does LA3184 over Bnsf/Walker RD carry?

About 39,201 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA3184 over Bnsf/Walker RD?

The structure is 682 ft (207.9 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.

Who owns LA3184 over Bnsf/Walker RD?

It is owned by the State Highway Agency.