US Bridges

Antioch Road over Trib to Thompson Creek

FairPosted for load

Copiah County, Mississippi · Sec 36 T10N R 6E B · Structure no. SA1500000000153

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Antioch Road over Trib to Thompson Creek is a concrete channel beam carrying Antioch Road over Trib to Thompson Creek in Copiah County, Mississippi. It was built in 1981, so it is 44 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 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 50 vehicles a day, projected to reach 130 by 2047. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesAntioch Road
CrossesTrib to Thompson Creek
LocationSec 36 T10N R 6E B
RouteCounty Highway 221
CountyCopiah County
StateMississippi
Coordinates31.79981, -90.553
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.
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 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 rating43.7 US tons
Inventory rating26.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 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 traffic50 (2024)
Projected traffic130 by 2047
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$171,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Antioch Road over Trib to Thompson Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Antioch Road over Trib to Thompson Creek 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 Antioch Road over Trib to Thompson Creek carry?

About 50 vehicles per day (2024 count).

How long is Antioch Road over Trib to Thompson Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Antioch Road over Trib to Thompson Creek?

It is owned by the County Highway Agency.