US Bridges

N. Slade Road over Buchanan Branch

Good

Lamar County, Mississippi · Sec 5 T 4N R16W · Structure no. SA3700000000099

Built
1997
28 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

N. Slade Road over Buchanan Branch is a concrete culvert carrying N. Slade Road over Buchanan Branch in Lamar County, Mississippi. It was built in 1997, so it is 28 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 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 225 by 2046. The structure is 30 ft (9.2 m) long.

CarriesN. Slade Road
CrossesBuchanan Branch
LocationSec 5 T 4N R16W
RouteCounty Highway 182
Coordinates31.33195, -89.6282
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans2
Design loadHS 20 + Mod
Structure length30 ft (9.2 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic225 by 2046
Trucks8%
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 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 N. Slade Road over Buchanan Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is N. Slade Road over Buchanan Branch 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 November 2023.

How much traffic does N. Slade Road over Buchanan Branch carry?

About 150 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is N. Slade Road over Buchanan Branch?

The structure is 30 ft (9.2 m) long with a longest span of 16 ft (4.8 m).

Who owns N. Slade Road over Buchanan Branch?

It is owned by the County Highway Agency.