US Bridges

Tinsley Road over Rocky Bayou

FairPosted for load

Yazoo County, Mississippi · Sec 24 T11N R 3W · Structure no. SA8200000000116

Built
2008
17 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
380
2018 count
Owner
County
County Highway Agency

About this bridge

Tinsley Road over Rocky Bayou is a concrete channel beam carrying Tinsley Road over Rocky Bayou in Yazoo County, Mississippi. It was built in 2008, so it is 17 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 380 vehicles a day, roughly 8% of them trucks, projected to reach 600 by 2042. The structure is 95 ft (29 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTinsley Road
CrossesRocky Bayou
LocationSec 24 T11N R 3W
RouteCounty Highway 301
Coordinates32.78453, -90.46731
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.3 US tons
Inventory rating25.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2018)
Projected traffic600 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$270,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tinsley Road over Rocky Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is Tinsley Road over Rocky Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Tinsley Road over Rocky Bayou carry?

About 380 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Tinsley Road over Rocky Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Tinsley Road over Rocky Bayou?

It is owned by the County Highway Agency.