US Bridges

LA0145 over I-20

Fair

Lincoln Parish, Louisiana · LA 145 over I-20 · Structure no. 053101570300591

Built
2008
17 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
342 ft
6 main spans
Daily traffic
5,661
2021 count
Owner
State
State Highway Agency

About this bridge

LA0145 over I-20 is a steel stringer/multi-beam or girder carrying LA0145 over I-20 in Lincoln Parish, Louisiana. It was built in 2008, so it is 17 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 5,661 vehicles a day, roughly 15% of them trucks, projected to reach 6,227 by 2041. The structure is 342 ft (104.2 m) long and 71 ft wide.

CarriesLA0145
CrossesI-20
LocationLA 145 over I-20
RouteState Highway 145
Coordinates32.53758, -92.5103
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length342 ft (104.2 m)
Longest span75 ft (22.9 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,661 (2021)
Projected traffic6,227 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0145 over I-20 built?

It was built in 2008, making it 17 years old in 2025.

What condition is LA0145 over I-20 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 November 2023.

How much traffic does LA0145 over I-20 carry?

About 5,661 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0145 over I-20?

The structure is 342 ft (104.2 m) long with a longest span of 75 ft (22.9 m) and a deck 71 ft wide.

Who owns LA0145 over I-20?

It is owned by the State Highway Agency.