US Bridges

Old Benton RD over Collinsburg Creek

FairPosted for load

Bossier Parish, Louisiana · 2.5 Mi. SW of LA 3 · Structure no. 040832523934411

Built
1987
38 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
2 main spans
Daily traffic
500
2020 count
Owner
County
County Highway Agency

About this bridge

Old Benton RD over Collinsburg Creek is a wood or timber stringer/multi-beam or girder carrying Old Benton RD over Collinsburg Creek in Bossier Parish, Louisiana. It was built in 1987, so it is 38 years old, younger 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 500 vehicles a day, projected to reach 550 by 2040. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesOld Benton RD
CrossesCollinsburg Creek
Location2.5 Mi. SW of LA 3
RouteCounty Highway 0
CountyBossier Parish
StateLouisiana
Coordinates32.87173, -93.73596
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating10 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic550 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Benton RD over Collinsburg Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Old Benton RD over Collinsburg 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 December 2024.

How much traffic does Old Benton RD over Collinsburg Creek carry?

About 500 vehicles per day (2020 count).

How long is Old Benton RD over Collinsburg Creek?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Old Benton RD over Collinsburg Creek?

It is owned by the County Highway Agency.