US Bridges

Gregory RD over Lost CR

Good

Caldwell Parish, Louisiana · 1M E of LA 4 · Structure no. 581132098921061

Built
1996
29 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
70
1992 count
Owner
County
County Highway Agency

About this bridge

Gregory RD over Lost CR is a concrete slab carrying Gregory RD over Lost CR in Caldwell Parish, Louisiana. It was built in 1996, so it is 29 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 70 vehicles a day, projected to reach 77 by 2012. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGregory RD
CrossesLost CR
Location1M E of LA 4
RouteCounty Highway 0
Coordinates32.16363, -92.1766
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (1992)
Projected traffic77 by 2012
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Gregory RD over Lost CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Gregory RD over Lost CR 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 February 2023.

How much traffic does Gregory RD over Lost CR carry?

About 70 vehicles per day (1992 count).

How long is Gregory RD over Lost CR?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Gregory RD over Lost CR?

It is owned by the County Highway Agency.