US Bridges

US 80 over Chunky River

FairPosted for load

Newton County, Mississippi · 6.2 MI E SR 503 · Structure no. 210008005112250

Built
1929
96 years old, rebuilt 1992
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
534 ft
1 main span
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 80 over Chunky River is a steel stringer/multi-beam or girder carrying US 80 over Chunky River in Newton County, Mississippi. It was built in 1929 and reconstructed in 1992, so it is 96 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 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,000 by 2043. The structure is 534 ft (162.8 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 80
CrossesChunky River
Location6.2 MI E SR 503
RouteU.S. Route 80
Coordinates32.32639, -88.92203
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40.1 US tons
Inventory rating24.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+13 approach)
Design loadH 15
Structure length534 ft (162.8 m)
Longest span120 ft (36.6 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 80 over Chunky River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1992.

What condition is US 80 over Chunky River 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 February 2023.

How much traffic does US 80 over Chunky River carry?

About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 80 over Chunky River?

The structure is 534 ft (162.8 m) long with a longest span of 120 ft (36.6 m) and a deck 24 ft wide.

Who owns US 80 over Chunky River?

It is owned by the State Highway Agency.