US Bridges

Enterprise Road over I 55

Good

Pike County, Mississippi · 1.0 MI N SR 570 · Structure no. 510005505701900

Built
1959
66 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
275 ft
4 main spans
Daily traffic
810
2023 count
Owner
State
State Highway Agency

About this bridge

Enterprise Road over I 55 is a concrete continuous box beam or girders - single or spread carrying Enterprise Road over I 55 in Pike County, Mississippi. It was built in 1959, so it is 66 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 810 vehicles a day, roughly 8% of them trucks, projected to reach 810 by 2043. The structure is 275 ft (83.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEnterprise Road
CrossesI 55
Location1.0 MI N SR 570
RouteCity Street 0
Coordinates31.27372, -90.47929
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length275 ft (83.9 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2023)
Projected traffic810 by 2043
Trucks8%
Lanes on structure20
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Enterprise Road over I 55 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Enterprise Road over I 55 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Enterprise Road over I 55 carry?

About 810 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Enterprise Road over I 55?

The structure is 275 ft (83.9 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Enterprise Road over I 55?

It is owned by the State Highway Agency.