US Bridges

LA0021 over Lee Creek

Fair

Washington Parish, Louisiana · 4 MI N JCT LA1075 & LA21 · Structure no. 625900300304422

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
225 ft
9 main spans
Daily traffic
7,160
2021 count
Owner
State
State Highway Agency

About this bridge

LA0021 over Lee Creek is a concrete slab carrying LA0021 over Lee Creek in Washington Parish, Louisiana. It was built in 1987, so it is 38 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 7,160 vehicles a day, roughly 12% of them trucks, projected to reach 7,876 by 2041. The structure is 225 ft (68.6 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0021
CrossesLee Creek
Location4 MI N JCT LA1075 & LA21
RouteState Highway 21
Coordinates30.72316, -89.8564
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,160 (2021)
Projected traffic7,876 by 2041
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0021 over Lee Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is LA0021 over Lee 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 June 2024.

How much traffic does LA0021 over Lee Creek carry?

About 7,160 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0021 over Lee Creek?

The structure is 225 ft (68.6 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns LA0021 over Lee Creek?

It is owned by the State Highway Agency.