US Bridges

Island RD over Williams Creek

Good

West Feliciana Parish, Louisiana · 1.9 Mi. S. of U.S. 61 · Structure no. 616300000616301

Built
2019
6 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
196 ft
5 main spans
Daily traffic
52
2020 count
Owner
County
County Highway Agency

About this bridge

Island RD over Williams Creek is a concrete stringer/multi-beam or girder carrying Island RD over Williams Creek in West Feliciana Parish, Louisiana. It was built in 2019, so it is 6 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 52 vehicles a day, projected to reach 57 by 2040. The structure is 196 ft (59.7 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIsland RD
CrossesWilliams Creek
Location1.9 Mi. S. of U.S. 61
RouteCounty Highway 0
Coordinates30.89564, -91.38286
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length196 ft (59.7 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2020)
Projected traffic57 by 2040
Trucks0%
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 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 Island RD over Williams Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Island RD over Williams Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Island RD over Williams Creek carry?

About 52 vehicles per day (2020 count).

How long is Island RD over Williams Creek?

The structure is 196 ft (59.7 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Island RD over Williams Creek?

It is owned by the County Highway Agency.