US Bridges

LA1054 over Tyner Creek

PoorPosted for load

Tangipahoa Parish, Louisiana · 4.4 MI N. of LA 40 · Structure no. 625308532204401

Built
1967
58 years old
Condition
Poor
inspected March 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
1,063
2021 count
Owner
State
State Highway Agency

About this bridge

LA1054 over Tyner Creek is a concrete slab carrying LA1054 over Tyner Creek in Tangipahoa Parish, Louisiana. It was built in 1967, so it is 58 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 1,063 vehicles a day, roughly 13% of them trucks, projected to reach 1,169 by 2041. The structure is 39 ft (11.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA1054
CrossesTyner Creek
Location4.4 MI N. of LA 40
RouteState Highway 1054
Coordinates30.70436, -90.46527
Functional classRural Minor 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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,063 (2021)
Projected traffic1,169 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1054 over Tyner Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is LA1054 over Tyner Creek 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 LA1054 over Tyner Creek carry?

About 1,063 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA1054 over Tyner Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns LA1054 over Tyner Creek?

It is owned by the State Highway Agency.