US Bridges

Sibley RD over Creek

PoorPosted for load

Tangipahoa Parish, Louisiana · 4 MI SE of JCT 190 & · Structure no. 625330279902201

Built
1974
51 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
611
2020 count
Owner
County
County Highway Agency

About this bridge

Sibley RD over Creek is a wood or timber stringer/multi-beam or girder carrying Sibley RD over Creek in Tangipahoa Parish, Louisiana. It was built in 1974, so it is 51 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 611 vehicles a day, projected to reach 672 by 2040. The structure is 39 ft (11.9 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSibley RD
CrossesCreek
Location4 MI SE of JCT 190 &
RouteCounty Highway 0
Coordinates30.46437, -90.36466
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26 US tons
Inventory rating18 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 10
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic611 (2020)
Projected traffic672 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sibley RD over Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Sibley RD 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 June 2024.

How much traffic does Sibley RD over Creek carry?

About 611 vehicles per day (2020 count).

How long is Sibley RD over Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Sibley RD over Creek?

It is owned by the County Highway Agency.