US Bridges

Dogwood Trail over Cooley Branch

PoorPosted for load

Webster Parish, Louisiana · 2.75 Mi. E. of La. 1 · Structure no. 046032412931571

Built
1979
46 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
159
2020 count
Owner
County
County Highway Agency

About this bridge

Dogwood Trail over Cooley Branch is a wood or timber stringer/multi-beam or girder carrying Dogwood Trail over Cooley Branch in Webster Parish, Louisiana. It was built in 1979, so it is 46 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 159 vehicles a day, projected to reach 174 by 2040. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDogwood Trail
CrossesCooley Branch
Location2.75 Mi. E. of La. 1
RouteCounty Highway 0
CountyWebster Parish
StateLouisiana
Coordinates32.68705, -93.26114
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 12 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck35 ft (10.7 m)

Traffic and service

Average daily traffic159 (2020)
Projected traffic174 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$168,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dogwood Trail over Cooley Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Dogwood Trail over Cooley Branch 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 July 2023.

How much traffic does Dogwood Trail over Cooley Branch carry?

About 159 vehicles per day (2020 count).

How long is Dogwood Trail over Cooley Branch?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.

Who owns Dogwood Trail over Cooley Branch?

It is owned by the County Highway Agency.