US Bridges

LA0021 over Lee Creek

Fair

Washington Parish, Louisiana · LA0021 · Structure no. 625900300304421

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
226 ft
7 main spans
Daily traffic
7,160
2021 count
Owner
State
State Highway Agency

About this bridge

LA0021 over Lee Creek is a concrete tee beam carrying LA0021 over Lee Creek in Washington Parish, Louisiana. It was built in 1950, so it is 75 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 7,160 vehicles a day, roughly 12% of them trucks, projected to reach 7,876 by 2041. The structure is 226 ft (68.9 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA0021
CrossesLee Creek
LocationLA0021
RouteState Highway 21
Coordinates30.72252, -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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span32 ft (9.8 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 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 closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 LA0021 over Lee Creek built?

It was built in 1950, making it 75 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 226 ft (68.9 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.

Who owns LA0021 over Lee Creek?

It is owned by the State Highway Agency.