US Bridges

Bistineau Terrace over Trib to Tad Pole Lake

FairPosted for load

Webster Parish, Louisiana · 0.2 Mi. N of Hanson Dr. · Structure no. 046032311931731

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
57 ft
3 main spans
Daily traffic
86
2020 count
Owner
County
County Highway Agency

About this bridge

Bistineau Terrace over Trib to Tad Pole Lake is a wood or timber stringer/multi-beam or girder carrying Bistineau Terrace over Trib to Tad Pole Lake 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. Its operating status is: posted for load restriction.

It carries about 86 vehicles a day, projected to reach 94 by 2040. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBistineau Terrace
CrossesTrib to Tad Pole Lake
Location0.2 Mi. N of Hanson Dr.
RouteCounty Highway 0
CountyWebster Parish
StateLouisiana
Coordinates32.51975, -93.37215
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load 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 alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2020)
Projected traffic94 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bistineau Terrace over Trib to Tad Pole Lake built?

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

What condition is Bistineau Terrace over Trib to Tad Pole Lake 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 Bistineau Terrace over Trib to Tad Pole Lake carry?

About 86 vehicles per day (2020 count).

How long is Bistineau Terrace over Trib to Tad Pole Lake?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Bistineau Terrace over Trib to Tad Pole Lake?

It is owned by the County Highway Agency.