US Bridges

Redwood Road over Skillikalia Bayou

Good

Warren County, Mississippi · Sec 9 T17N R 4E B · Structure no. SA7500000000089

Built
1954
71 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
360
2020 count
Owner
County
County Highway Agency

About this bridge

Redwood Road over Skillikalia Bayou is a concrete culvert carrying Redwood Road over Skillikalia Bayou in Warren County, Mississippi. It was built in 1954, so it is 71 years old, older 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 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 360 vehicles a day, roughly 8% of them trucks, projected to reach 540 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 9.3 mi (15 km).

CarriesRedwood Road
CrossesSkillikalia Bayou
LocationSec 9 T17N R 4E B
RouteCounty Highway 1
Coordinates32.46156, -90.77606
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2020)
Projected traffic540 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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$209,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Redwood Road over Skillikalia Bayou built?

It was built in 1954, making it 71 years old in 2025.

What condition is Redwood Road over Skillikalia 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 April 2024.

How much traffic does Redwood Road over Skillikalia Bayou carry?

About 360 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Redwood Road over Skillikalia Bayou?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Redwood Road over Skillikalia Bayou?

It is owned by the County Highway Agency.