US Bridges

LA0010 over Tawpaw Bayou

PoorPosted for load

St. Landry Parish, Louisiana · 2.40 MI W of LA 105 · Structure no. 034902190702901

Built
1958
67 years old
Condition
Poor
inspected March 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
708
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Tawpaw Bayou is a concrete slab carrying LA0010 over Tawpaw Bayou in St. Landry Parish, Louisiana. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 708 vehicles a day, roughly 13% of them trucks, projected to reach 778 by 2041. The structure is 76 ft (23.2 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLA0010
CrossesTawpaw Bayou
Location2.40 MI W of LA 105
RouteState Highway 10
CountySt. Landry Parish
StateLouisiana
Coordinates30.69275, -91.7838
Functional classRural Major Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.2 US tons
Inventory rating7.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic708 (2021)
Projected traffic778 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0010 over Tawpaw Bayou built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0010 over Tawpaw 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 March 2024.

How much traffic does LA0010 over Tawpaw Bayou carry?

About 708 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0010 over Tawpaw Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns LA0010 over Tawpaw Bayou?

It is owned by the State Highway Agency.