US Bridges

LA0507 over Edwards Mill Creek

Poor

Bienville Parish, Louisiana · 1.0 MI W JCT LA 9 · Structure no. 040700900417591

Built
1984
41 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
396
2021 count
Owner
State
State Highway Agency

About this bridge

LA0507 over Edwards Mill Creek is a concrete slab carrying LA0507 over Edwards Mill Creek in Bienville Parish, Louisiana. It was built in 1984, so it is 41 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 396 vehicles a day, roughly 25% of them trucks, projected to reach 435 by 2041. The structure is 76 ft (23.2 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA0507
CrossesEdwards Mill Creek
Location1.0 MI W JCT LA 9
RouteState Highway 507
Coordinates32.36297, -92.9982
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic396 (2021)
Projected traffic435 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Edwards Mill Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is LA0507 over Edwards Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does LA0507 over Edwards Mill Creek carry?

About 396 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA0507 over Edwards Mill Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0507 over Edwards Mill Creek?

It is owned by the State Highway Agency.