US Bridges

Southridge Drive over Cooley Creek

Fair

Webster Parish, Louisiana · 0.3 Miles South of US 79 · Structure no. 046032372931551

Built
1980
45 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
92
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Southridge Drive over Cooley Creek is a concrete slab carrying Southridge Drive over Cooley Creek in Webster Parish, Louisiana. It was built in 1980, so it is 45 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 92 vehicles a day, projected to reach 101 by 2040. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSouthridge Drive
CrossesCooley Creek
Location0.3 Miles South of US 79
RouteCounty Highway 0
CountyWebster Parish
StateLouisiana
Coordinates32.61947, -93.25878
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95.7 US tons
Inventory rating74 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2020)
Projected traffic101 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$259,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Southridge Drive over Cooley Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Southridge Drive over Cooley Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Southridge Drive over Cooley Creek carry?

About 92 vehicles per day (2020 count).

How long is Southridge Drive over Cooley Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns Southridge Drive over Cooley Creek?

It is owned by the City or Municipal Highway Agency.