US Bridges

Tharp Road over Trib Buck Bayou

Good

Humphreys County, Mississippi · Sec 36 T16N R 4W B · Structure no. SA270000000A094

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

Tharp Road over Trib Buck Bayou is a concrete culvert carrying Tharp Road over Trib Buck Bayou in Humphreys County, Mississippi. It was built in 2022, so it is 3 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 225 by 2043. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesTharp Road
CrossesTrib Buck Bayou
LocationSec 36 T16N R 4W B
RouteCounty Highway 1641
Coordinates33.19763, -90.57226
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.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating93.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic225 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Tharp Road over Trib Buck Bayou built?

It was built in 2022, making it 3 years old in 2025.

What condition is Tharp Road over Trib Buck 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 March 2023.

How much traffic does Tharp Road over Trib Buck Bayou carry?

About 150 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Tharp Road over Trib Buck Bayou?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.2 m).

Who owns Tharp Road over Trib Buck Bayou?

It is owned by the County Highway Agency.