US Bridges

Willette Road over West Prong Steele Bayou

Good

Issaquena County, Mississippi · Sec 24 T12N R 8W B · Structure no. SA280000000A009

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
186 ft
6 main spans
Daily traffic
160
2021 count
Owner
County
County Highway Agency

About this bridge

Willette Road over West Prong Steele Bayou is a concrete channel beam carrying Willette Road over West Prong Steele Bayou in Issaquena County, Mississippi. It was built in 2020, so it is 5 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 15% of them trucks, projected to reach 224 by 2041. The structure is 186 ft (56.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWillette Road
CrossesWest Prong Steele Bayou
LocationSec 24 T12N R 8W B
RouteCounty Highway 1512
Coordinates32.86643, -91.00249
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHL 93
Structure length186 ft (56.7 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2021)
Projected traffic224 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Willette Road over West Prong Steele Bayou built?

It was built in 2020, making it 5 years old in 2025.

What condition is Willette Road over West Prong Steele Bayou 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 May 2023.

How much traffic does Willette Road over West Prong Steele Bayou carry?

About 160 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Willette Road over West Prong Steele Bayou?

The structure is 186 ft (56.7 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Willette Road over West Prong Steele Bayou?

It is owned by the County Highway Agency.