US Bridges

US 80 over Tonacana Creek

FairPosted for load

Newton County, Mississippi · 5.1 MI E SR 503 · Structure no. 210008005112140

Built
1929
96 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
98 ft
3 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 80 over Tonacana Creek is a concrete tee beam carrying US 80 over Tonacana Creek in Newton County, Mississippi. It was built in 1929, 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 98 ft (29.9 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesUS 80
CrossesTonacana Creek
Location5.1 MI E SR 503
RouteU.S. Route 80
CountyNewton County
StateMississippi
Coordinates32.32595, -88.94048
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.1 US tons
Inventory rating24.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length98 ft (29.9 m)
Longest span30 ft (9.1 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 closed11.8 mi (19 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$921 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 80 over Tonacana Creek built?

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

What condition is US 80 over Tonacana 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 February 2023.

How much traffic does US 80 over Tonacana Creek carry?

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

How long is US 80 over Tonacana Creek?

The structure is 98 ft (29.9 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns US 80 over Tonacana Creek?

It is owned by the State Highway Agency.