US Bridges

Coulee Loop over Couley Loop RD

Good

Natchitoches Parish, Louisiana · 2.38 MI N of S Int. US 71 · Structure no. 083500000080597

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
165
2022 count
Owner
County
County Highway Agency

About this bridge

Coulee Loop over Couley Loop RD is a concrete slab carrying Coulee Loop over Couley Loop RD in Natchitoches Parish, Louisiana. It was built in 2012, so it is 13 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 165 vehicles a day, roughly 13% of them trucks, projected to reach 181 by 2042. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCoulee Loop
CrossesCouley Loop RD
Location2.38 MI N of S Int. US 71
RouteCounty Highway 0
Coordinates31.94648, -93.11488
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2022)
Projected traffic181 by 2042
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

OwnerCounty Highway Agency
Maintained byCounty 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 Coulee Loop over Couley Loop RD built?

It was built in 2012, making it 13 years old in 2025.

What condition is Coulee Loop over Couley Loop RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Coulee Loop over Couley Loop RD carry?

About 165 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Coulee Loop over Couley Loop RD?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns Coulee Loop over Couley Loop RD?

It is owned by the County Highway Agency.