US Bridges

Dorcheat RD over Tributary to Cow Creek

Fair

Webster Parish, Louisiana · 11 MI N of HWY 79-80 · Structure no. 046032457931961

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
116 ft
6 main spans
Daily traffic
294
2020 count
Owner
County
County Highway Agency

About this bridge

Dorcheat RD over Tributary to Cow Creek is a wood or timber stringer/multi-beam or girder carrying Dorcheat RD over Tributary to Cow Creek 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 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 294 vehicles a day, projected to reach 323 by 2040. The structure is 116 ft (35.4 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesDorcheat RD
CrossesTributary to Cow Creek
Location11 MI N of HWY 79-80
RouteCounty Highway 0
CountyWebster Parish
StateLouisiana
Coordinates32.75753, -93.32523
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadH 20
Structure length116 ft (35.4 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2020)
Projected traffic323 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dorcheat RD over Tributary to Cow Creek built?

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

What condition is Dorcheat RD over Tributary to Cow 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 Dorcheat RD over Tributary to Cow Creek carry?

About 294 vehicles per day (2020 count).

How long is Dorcheat RD over Tributary to Cow Creek?

The structure is 116 ft (35.4 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Dorcheat RD over Tributary to Cow Creek?

It is owned by the County Highway Agency.