US Bridges

LA0001 over Dry Branch Creek

Fair

Natchitoches Parish, Louisiana · 2.55 Mi. N of Int LA119 · Structure no. 083500530314051

Built
1989
36 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
996
2021 count
Owner
State
State Highway Agency

About this bridge

LA0001 over Dry Branch Creek is a concrete culvert carrying LA0001 over Dry Branch Creek in Natchitoches Parish, Louisiana. It was built in 1989, so it is 36 years old, younger 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 996 vehicles a day, roughly 14% of them trucks, projected to reach 1,095 by 2041. The structure is 21 ft (6.4 m) long and 130 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0001
CrossesDry Branch Creek
Location2.55 Mi. N of Int LA119
RouteState Highway 1
Coordinates31.5585, -92.97728
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width130 ft (39.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic996 (2021)
Projected traffic1,095 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 LA0001 over Dry Branch Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is LA0001 over Dry Branch 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 LA0001 over Dry Branch Creek carry?

About 996 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0001 over Dry Branch Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 130 ft wide.

Who owns LA0001 over Dry Branch Creek?

It is owned by the State Highway Agency.