US Bridges

Old Port Gibson RD over Trib to Bayou Pierre Riv

Fair

Copiah County, Mississippi · Sec 3 T10N R 7E B · Structure no. SA1500000000156

Built
2001
24 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
69 ft
3 main spans
Daily traffic
720
2015 count
Owner
County
County Highway Agency

About this bridge

Old Port Gibson RD over Trib to Bayou Pierre Riv is a concrete channel beam carrying Old Port Gibson RD over Trib to Bayou Pierre Riv in Copiah County, Mississippi. It was built in 2001, so it is 24 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 720 vehicles a day, roughly 8% of them trucks, projected to reach 1,300 by 2045. The structure is 69 ft (21 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOld Port Gibson RD
CrossesTrib to Bayou Pierre Riv
LocationSec 3 T10N R 7E B
RouteCounty Highway 307
Coordinates31.86794, -90.48406
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 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 width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2015)
Projected traffic1,300 by 2045
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$480,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Port Gibson RD over Trib to Bayou Pierre Riv built?

It was built in 2001, making it 24 years old in 2025.

What condition is Old Port Gibson RD over Trib to Bayou Pierre Riv 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 2023.

How much traffic does Old Port Gibson RD over Trib to Bayou Pierre Riv carry?

About 720 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Old Port Gibson RD over Trib to Bayou Pierre Riv?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Old Port Gibson RD over Trib to Bayou Pierre Riv?

It is owned by the County Highway Agency.