US Bridges

Tyson RD over Trib to Bayou Pierre

FairPosted for load

Copiah County, Mississippi · Sec 3 T 9N R 7E B · Structure no. SA1500000000094

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
140
2021 count
Owner
County
County Highway Agency

About this bridge

Tyson RD over Trib to Bayou Pierre is a concrete channel beam carrying Tyson RD over Trib to Bayou Pierre in Copiah County, Mississippi. It was built in 1966, so it is 59 years old, older 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 6 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 140 vehicles a day, roughly 8% of them trucks, projected to reach 250 by 2042. The structure is 69 ft (21 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesTyson RD
CrossesTrib to Bayou Pierre
LocationSec 3 T 9N R 7E B
RouteCounty Highway 531
Coordinates31.78353, -90.48117
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating17.1 US tons
Inventory rating10.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2021)
Projected traffic250 by 2042
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$264,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tyson RD over Trib to Bayou Pierre built?

It was built in 1966, making it 59 years old in 2025.

What condition is Tyson RD over Trib to Bayou Pierre 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 March 2024.

How much traffic does Tyson RD over Trib to Bayou Pierre carry?

About 140 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Tyson RD over Trib to Bayou Pierre?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Tyson RD over Trib to Bayou Pierre?

It is owned by the County Highway Agency.