US Bridges

Siloam Church RD over Dry Creek

PoorPosted for load

Jackson Parish, Louisiana · .57 MI East of LA 505 · Structure no. 052508250100571

Built
1957
68 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
825
2020 count
Owner
County
County Highway Agency

About this bridge

Siloam Church RD over Dry Creek is a concrete slab carrying Siloam Church RD over Dry Creek in Jackson Parish, Louisiana. It was built in 1957, so it is 68 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 825 vehicles a day, roughly 9% of them trucks, projected to reach 907 by 2040. The structure is 39 ft (11.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSiloam Church RD
CrossesDry Creek
Location.57 MI East of LA 505
RouteCounty Highway 0
Coordinates32.16142, -92.68476
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.4 US tons
Inventory rating16.4 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 width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic825 (2020)
Projected traffic907 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Siloam Church RD over Dry Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Siloam Church RD over Dry 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 February 2024.

How much traffic does Siloam Church RD over Dry Creek carry?

About 825 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Siloam Church RD over Dry Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns Siloam Church RD over Dry Creek?

It is owned by the County Highway Agency.