US Bridges

LA0123 over Dry Prong Creek

Good

Grant Parish, Louisiana · 2.92 Mi. East of US 167 · Structure no. 082200000080574

Built
2011
14 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
595
2021 count
Owner
State
State Highway Agency

About this bridge

LA0123 over Dry Prong Creek is a concrete slab carrying LA0123 over Dry Prong Creek in Grant Parish, Louisiana. It was built in 2011, so it is 14 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 595 vehicles a day, roughly 14% of them trucks, projected to reach 654 by 2041. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLA0123
CrossesDry Prong Creek
Location2.92 Mi. East of US 167
RouteState Highway 123
Coordinates31.61089, -92.5019
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic595 (2021)
Projected traffic654 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0123 over Dry Prong Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is LA0123 over Dry Prong 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 August 2024.

How much traffic does LA0123 over Dry Prong Creek carry?

About 595 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0123 over Dry Prong Creek?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA0123 over Dry Prong Creek?

It is owned by the State Highway Agency.