US Bridges

LA0507 over Kepler Creek

FairPosted for load

Bienville Parish, Louisiana · 4.36 MI North of LA 4 · Structure no. 040700880304361

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
340 ft
17 main spans
Daily traffic
780
2021 count
Owner
State
State Highway Agency

About this bridge

LA0507 over Kepler Creek is a concrete slab carrying LA0507 over Kepler Creek in Bienville Parish, Louisiana. It was built in 1961, so it is 64 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 780 vehicles a day, roughly 25% of them trucks, projected to reach 858 by 2041. The structure is 340 ft (103.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA0507
CrossesKepler Creek
Location4.36 MI North of LA 4
RouteState Highway 507
CountyBienville Parish
StateLouisiana
Coordinates32.30999, -93.1581
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2021)
Projected traffic858 by 2041
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Kepler Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is LA0507 over Kepler Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does LA0507 over Kepler Creek carry?

About 780 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is LA0507 over Kepler Creek?

The structure is 340 ft (103.6 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0507 over Kepler Creek?

It is owned by the State Highway Agency.