US Bridges

US0080 over I-20

PoorPosted for load

Caddo Parish, Louisiana · 0.12 Mi. N. of 511 · Structure no. 040900010106371

Built
1965
60 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
359 ft
4 main spans
Daily traffic
11,342
2021 count
Owner
State
State Highway Agency

About this bridge

US0080 over I-20 is a steel stringer/multi-beam or girder carrying US0080 over I-20 in Caddo Parish, Louisiana. It was built in 1965, so it is 60 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 11,342 vehicles a day, roughly 10% of them trucks, projected to reach 12,476 by 2041. The structure is 359 ft (109.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0080
CrossesI-20
Location0.12 Mi. N. of 511
RouteU.S. Route 80
Coordinates32.44392, -93.9502
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length359 ft (109.4 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,342 (2021)
Projected traffic12,476 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0080 over I-20 built?

It was built in 1965, making it 60 years old in 2025.

What condition is US0080 over I-20 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does US0080 over I-20 carry?

About 11,342 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US0080 over I-20?

The structure is 359 ft (109.4 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns US0080 over I-20?

It is owned by the State Highway Agency.