US Bridges

LA0037 over Lillys Creek

Fair

East Feliciana Parish, Louisiana · 0.5 Mi. N. of LA 63 · Structure no. 611902540401351

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
260 ft
13 main spans
Daily traffic
3,362
2021 count
Owner
State
State Highway Agency

About this bridge

LA0037 over Lillys Creek is a concrete slab carrying LA0037 over Lillys Creek in East Feliciana Parish, Louisiana. It was built in 1955, so it is 70 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,362 vehicles a day, roughly 10% of them trucks, projected to reach 3,698 by 2041. The structure is 260 ft (79.2 m) long and 27 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesLA0037
CrossesLillys Creek
Location0.5 Mi. N. of LA 63
RouteState Highway 37
CountyEast Feliciana Parish
StateLouisiana
Coordinates30.73305, -90.84866
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans13
Design loadH 15
Structure length260 ft (79.2 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,362 (2021)
Projected traffic3,698 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0037 over Lillys Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA0037 over Lillys 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 September 2024.

How much traffic does LA0037 over Lillys Creek carry?

About 3,362 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0037 over Lillys Creek?

The structure is 260 ft (79.2 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns LA0037 over Lillys Creek?

It is owned by the State Highway Agency.