US Bridges

Enid Dam Road over I 55

Fair

Panola County, Mississippi · 0.8 MI N Yalobusha Cl · Structure no. 410005505423390

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
2 main spans
Daily traffic
420
2023 count
Owner
State
State Highway Agency

About this bridge

Enid Dam Road over I 55 is a prestressed concrete stringer/multi-beam or girder carrying Enid Dam Road over I 55 in Panola County, Mississippi. It was built in 1960, so it is 65 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 420 vehicles a day, roughly 8% of them trucks, projected to reach 420 by 2043. The structure is 229 ft (69.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEnid Dam Road
CrossesI 55
Location0.8 MI N Yalobusha Cl
RouteCounty Highway 0
Coordinates34.17629, -89.92475
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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.3 US tons
Inventory rating34.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length229 ft (69.8 m)
Longest span67 ft (20.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2023)
Projected traffic420 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$247 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Enid Dam Road over I 55 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Enid Dam Road over I 55 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 2024.

How much traffic does Enid Dam Road over I 55 carry?

About 420 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Enid Dam Road over I 55?

The structure is 229 ft (69.8 m) long with a longest span of 67 ft (20.4 m) and a deck 26 ft wide.

Who owns Enid Dam Road over I 55?

It is owned by the State Highway Agency.