US Bridges

Walnut ST over Creek

PoorPosted for load

Tangipahoa Parish, Louisiana · 0.4 MI W US 51 Walnut St. · Structure no. 625330439903011

Built
1979
46 years old
Condition
Poor
inspected May 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
2,595
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut ST over Creek is a concrete slab carrying Walnut ST over Creek in Tangipahoa Parish, Louisiana. It was built in 1979, so it is 46 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 2,595 vehicles a day, projected to reach 2,854 by 2042. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWalnut ST
CrossesCreek
Location0.4 MI W US 51 Walnut St.
RouteCounty Highway 0
Coordinates30.73308, -90.51592
Functional classRural 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating19.3 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,595 (2022)
Projected traffic2,854 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut ST over Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Walnut ST over 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 May 2023.

How much traffic does Walnut ST over Creek carry?

About 2,595 vehicles per day (2022 count).

How long is Walnut ST over Creek?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns Walnut ST over Creek?

It is owned by the City or Municipal Highway Agency.