US Bridges

I0020 over Leatherman Creek

Fair

Bienville Parish, Louisiana · 1.86 MI West of LA 154 · Structure no. 040704510405281

Built
1964
61 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
225 ft
9 main spans
Daily traffic
37,514
2021 count
Owner
State
State Highway Agency

About this bridge

I0020 over Leatherman Creek is a concrete slab carrying I0020 over Leatherman Creek in Bienville Parish, Louisiana. It was built in 1964, so it is 61 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 37,514 vehicles a day, roughly 36% of them trucks, projected to reach 41,265 by 2041. The structure is 225 ft (68.6 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesI0020
CrossesLeatherman Creek
Location1.86 MI West of LA 154
RouteInterstate 20
CountyBienville Parish
StateLouisiana
Coordinates32.56332, -93.0852
Functional classRural Principal Arterial - Interstate

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 inspectionMay 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 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 width33 ft (10.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,514 (2021)
Projected traffic41,265 by 2041
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$994,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I0020 over Leatherman Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is I0020 over Leatherman 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 May 2023.

How much traffic does I0020 over Leatherman Creek carry?

About 37,514 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is I0020 over Leatherman Creek?

The structure is 225 ft (68.6 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns I0020 over Leatherman Creek?

It is owned by the State Highway Agency.