US Bridges

Rock Quarry Road over Tiger Creek

Poor

Natchitoches Parish, Louisiana · Ve 823 727 · Structure no. DAPFORPOK00H51P

Built
1990
35 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
40
2016 count
Owner
Federal
Army

About this bridge

Rock Quarry Road over Tiger Creek is a concrete culvert carrying Rock Quarry Road over Tiger Creek in Natchitoches Parish, Louisiana. It was built in 1990, so it is 35 years old, younger 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.

It carries about 40 vehicles a day, roughly 40% of them trucks, projected to reach 40 by 2046. The structure is 43 ft (13.2 m) long.

Location

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CarriesRock Quarry Road
CrossesTiger Creek
LocationVe 823 727
CountyNatchitoches Parish
StateLouisiana
Coordinates31.38822, -93.1859
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length43 ft (13.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2016)
Projected traffic40 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock Quarry Road over Tiger Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Rock Quarry Road over Tiger 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 August 2024.

How much traffic does Rock Quarry Road over Tiger Creek carry?

About 40 vehicles per day (2016 count), of which roughly 40% are trucks.

How long is Rock Quarry Road over Tiger Creek?

The structure is 43 ft (13.2 m) long with a longest span of 10 ft (3 m).

Who owns Rock Quarry Road over Tiger Creek?

It is owned by the Army.