US Bridges

Garrett RD over I-20

Fair

Ouachita Parish, Louisiana · 1.7 MI East of US 165 · Structure no. 053704510621581

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
242 ft
4 main spans
Daily traffic
3,950
2015 count
Owner
State
State Highway Agency

About this bridge

Garrett RD over I-20 is a prestressed concrete stringer/multi-beam or girder carrying Garrett RD over I-20 in Ouachita Parish, Louisiana. It was built in 1968, so it is 57 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 3,950 vehicles a day, projected to reach 4,345 by 2035. The structure is 242 ft (73.8 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesGarrett RD
CrossesI-20
Location1.7 MI East of US 165
RouteCounty Highway 0
CountyOuachita Parish
StateLouisiana
Coordinates32.49415, -92.05452
Functional classUrban Local

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length242 ft (73.8 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,950 (2015)
Projected traffic4,345 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Garrett RD over I-20 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Garrett RD 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 October 2024.

How much traffic does Garrett RD over I-20 carry?

About 3,950 vehicles per day (2015 count).

How long is Garrett RD over I-20?

The structure is 242 ft (73.8 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Garrett RD over I-20?

It is owned by the State Highway Agency.