US Bridges

US0084 over New Union Creek

Good

La Salle Parish, Louisiana · 0.90 M S of US 165 · Structure no. 583000220402191

Built
1983
42 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,637
2021 count
Owner
State
State Highway Agency

About this bridge

US0084 over New Union Creek is a concrete slab carrying US0084 over New Union Creek in La Salle 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 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 1,637 vehicles a day, roughly 20% of them trucks, projected to reach 1,800 by 2041. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesUS0084
CrossesNew Union Creek
Location0.90 M S of US 165
RouteU.S. Route 84
Coordinates31.81033, -92.3175
Functional classRural Principal Arterial - Other

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,637 (2021)
Projected traffic1,800 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0084 over New Union Creek built?

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

What condition is US0084 over New Union Creek 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 November 2023.

How much traffic does US0084 over New Union Creek carry?

About 1,637 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is US0084 over New Union Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0084 over New Union Creek?

It is owned by the State Highway Agency.