US Bridges

Roark RD over Salty Creek

Good

La Salle Parish, Louisiana · .46 Log MI Fr. 413 to 420 · Structure no. 583031489920481

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
50
2000 count
Owner
County
County Highway Agency

About this bridge

Roark RD over Salty Creek is a concrete slab carrying Roark RD over Salty Creek in La Salle Parish, Louisiana. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 55 by 2020. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoark RD
CrossesSalty Creek
Location.46 Log MI Fr. 413 to 420
RouteCounty Highway 0
Coordinates31.81428, -92.08168
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2000)
Projected traffic55 by 2020
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Roark RD over Salty Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Roark RD over Salty 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 January 2024.

How much traffic does Roark RD over Salty Creek carry?

About 50 vehicles per day (2000 count).

How long is Roark RD over Salty Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Roark RD over Salty Creek?

It is owned by the County Highway Agency.