US Bridges

LA3094 over Cross Bayou

Poor

Caddo Parish, Louisiana · 0.1 MI S of LA 173 · Structure no. 040900250815432

Built
1960
65 years old, rebuilt 1981
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
450 ft
9 main spans
Daily traffic
16,911
2021 count
Owner
State
State Highway Agency

About this bridge

LA3094 over Cross Bayou is a steel stringer/multi-beam or girder carrying LA3094 over Cross Bayou in Caddo Parish, Louisiana. It was built in 1960 and reconstructed in 1981, so it is 65 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 3 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.

It carries about 16,911 vehicles a day, roughly 8% of them trucks, projected to reach 18,602 by 2041. The structure is 450 ft (137.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA3094
CrossesCross Bayou
Location0.1 MI S of LA 173
RouteState Highway 3094
Coordinates32.51165, -93.7803
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span70 ft (21.3 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,911 (2021)
Projected traffic18,602 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was LA3094 over Cross Bayou built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1981.

What condition is LA3094 over Cross Bayou 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 2025.

How much traffic does LA3094 over Cross Bayou carry?

About 16,911 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA3094 over Cross Bayou?

The structure is 450 ft (137.2 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns LA3094 over Cross Bayou?

It is owned by the State Highway Agency.