US Bridges

LA0507 over Flat Cypress Creek

Good

Bienville Parish, Louisiana · 0.36 MI NE of LA 147 · Structure no. 040700000040457

Built
2018
7 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
148
2021 count
Owner
State
State Highway Agency

About this bridge

LA0507 over Flat Cypress Creek is a concrete slab carrying LA0507 over Flat Cypress Creek in Bienville Parish, Louisiana. It was built in 2018, so it is 7 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 148 vehicles a day, roughly 23% of them trucks, projected to reach 162 by 2041. The structure is 80 ft (24.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLA0507
CrossesFlat Cypress Creek
Location0.36 MI NE of LA 147
RouteState Highway 507
Coordinates32.43747, -92.85035
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadGreater than HL 93
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic148 (2021)
Projected traffic162 by 2041
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 LA0507 over Flat Cypress Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is LA0507 over Flat Cypress 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 April 2024.

How much traffic does LA0507 over Flat Cypress Creek carry?

About 148 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is LA0507 over Flat Cypress Creek?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns LA0507 over Flat Cypress Creek?

It is owned by the State Highway Agency.