US Bridges

US 278 over SR 35 & Cnic RR

Fair

Panola County, Mississippi · 0.9 MI W US 51 · Structure no. 310000605405040

Built
1939
86 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
370 ft
1 main span
Daily traffic
12,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 278 over SR 35 & Cnic RR is a steel stringer/multi-beam or girder carrying US 278 over SR 35 & Cnic RR in Panola County, Mississippi. It was built in 1939, so it is 86 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.

It carries about 12,000 vehicles a day, roughly 7% of them trucks, projected to reach 12,000 by 2043. The structure is 370 ft (112.8 m) long and 27 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesUS 278
CrossesSR 35 & Cnic RR
Location0.9 MI W US 51
RouteU.S. Route 278
CountyPanola County
StateMississippi
Coordinates34.30929, -89.95928
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.3 US tons
Inventory rating46.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadH 15
Structure length370 ft (112.8 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic12,000 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

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
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 278 over SR 35 & Cnic RR built?

It was built in 1939, making it 86 years old in 2025.

What condition is US 278 over SR 35 & Cnic RR 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 October 2024.

How much traffic does US 278 over SR 35 & Cnic RR carry?

About 12,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 278 over SR 35 & Cnic RR?

The structure is 370 ft (112.8 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns US 278 over SR 35 & Cnic RR?

It is owned by the State Highway Agency.