US Bridges

Sligo RD over Hogskin Lake Creek

Fair

Bossier Parish, Louisiana · 0.1 MI E of LA 612 · Structure no. 040832270933511

Built
1989
36 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
2 main spans
Daily traffic
4,000
2020 count
Owner
County
County Highway Agency

About this bridge

Sligo RD over Hogskin Lake Creek is a wood or timber stringer/multi-beam or girder carrying Sligo RD over Hogskin Lake Creek in Bossier Parish, Louisiana. It was built in 1989, so it is 36 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 4,000 vehicles a day, projected to reach 4,400 by 2040. The structure is 32 ft (9.8 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSligo RD
CrossesHogskin Lake Creek
Location0.1 MI E of LA 612
RouteCounty Highway 0
CountyBossier Parish
StateLouisiana
Coordinates32.45078, -93.58483
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
Deck8 Very GoodNo problems noted.
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 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 10
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2020)
Projected traffic4,400 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$144,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sligo RD over Hogskin Lake Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sligo RD over Hogskin Lake 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 Sligo RD over Hogskin Lake Creek carry?

About 4,000 vehicles per day (2020 count).

How long is Sligo RD over Hogskin Lake Creek?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Sligo RD over Hogskin Lake Creek?

It is owned by the County Highway Agency.