US Bridges

LA0460 over Hemphill Creek

Good

La Salle Parish, Louisiana · 0.60 M E of LA 127 · Structure no. 583001520100591

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
302 ft
6 main spans
Daily traffic
776
2021 count
Owner
State
State Highway Agency

About this bridge

LA0460 over Hemphill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0460 over Hemphill Creek in La Salle Parish, Louisiana. It was built in 1988, so it is 37 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 776 vehicles a day, roughly 15% of them trucks, projected to reach 853 by 2041. The structure is 302 ft (92 m) long and 43 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesLA0460
CrossesHemphill Creek
Location0.60 M E of LA 127
RouteState Highway 460
Coordinates31.58405, -92.1327
Functional classRural Minor Collector

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 inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length302 ft (92 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic776 (2021)
Projected traffic853 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0460 over Hemphill Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is LA0460 over Hemphill 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 October 2023.

How much traffic does LA0460 over Hemphill Creek carry?

About 776 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0460 over Hemphill Creek?

The structure is 302 ft (92 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns LA0460 over Hemphill Creek?

It is owned by the State Highway Agency.