US Bridges

Knox Ferry RD over Bayou Bartholomew

Fair

Morehouse Parish, Louisiana · 5.9 Mi. S. Int. 245 · Structure no. 053432540914701

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
452 ft
9 main spans
Daily traffic
110
1974 count
Owner
County
County Highway Agency

About this bridge

Knox Ferry RD over Bayou Bartholomew is a prestressed concrete stringer/multi-beam or girder carrying Knox Ferry RD over Bayou Bartholomew in Morehouse Parish, Louisiana. It was built in 1984, so it is 41 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.

It carries about 110 vehicles a day, projected to reach 121 by 1994. The structure is 452 ft (137.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKnox Ferry RD
CrossesBayou Bartholomew
Location5.9 Mi. S. Int. 245
RouteCounty Highway 0
CountyMorehouse Parish
StateLouisiana
Coordinates32.90137, -91.78273
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans9
Design loadHS 20
Structure length452 ft (137.8 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (1974)
Projected traffic121 by 1994
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Knox Ferry RD over Bayou Bartholomew built?

It was built in 1984, making it 41 years old in 2025.

What condition is Knox Ferry RD over Bayou Bartholomew 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 October 2024.

How much traffic does Knox Ferry RD over Bayou Bartholomew carry?

About 110 vehicles per day (1974 count).

How long is Knox Ferry RD over Bayou Bartholomew?

The structure is 452 ft (137.8 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Knox Ferry RD over Bayou Bartholomew?

It is owned by the County Highway Agency.