US Bridges

J. R. Mclin RD over Hornsby Creek

FairPosted for load

Livingston Parish, Louisiana · .5 MI NE of INTLA1024&449 · Structure no. 623230337904871

Built
1999
26 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
55 ft
3 main spans
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

J. R. Mclin RD over Hornsby Creek is a wood or timber stringer/multi-beam or girder carrying J. R. Mclin RD over Hornsby Creek in Livingston Parish, Louisiana. It was built in 1999, so it is 26 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 10 vehicles a day, projected to reach 11 by 2042. The structure is 55 ft (16.8 m) long and 19 ft wide.

Location

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CarriesJ. R. Mclin RD
CrossesHornsby Creek
Location.5 MI NE of INTLA1024&449
RouteCounty Highway 0
CountyLivingston Parish
StateLouisiana
Coordinates30.56294, -90.81255
Functional classRural Minor Arterial

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.
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.5 US tons
Inventory rating12.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length55 ft (16.8 m)
Longest span19 ft (5.8 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic11 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 J. R. Mclin RD over Hornsby Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is J. R. Mclin RD over Hornsby 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 October 2024.

How much traffic does J. R. Mclin RD over Hornsby Creek carry?

About 10 vehicles per day (2022 count).

How long is J. R. Mclin RD over Hornsby Creek?

The structure is 55 ft (16.8 m) long with a longest span of 19 ft (5.8 m) and a deck 19 ft wide.

Who owns J. R. Mclin RD over Hornsby Creek?

It is owned by the County Highway Agency.