US Bridges

Delaware Avenue over I 55

Fair

Pike County, Mississippi · 1.8 MI N US 98/SR 24 · Structure no. 510005505701720

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
272 ft
4 main spans
Daily traffic
2,700
2023 count
Owner
State
State Highway Agency

About this bridge

Delaware Avenue over I 55 is a concrete continuous box beam or girders - single or spread carrying Delaware Avenue 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 fair condition with a lowest component rating of 6 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 2,700 vehicles a day, roughly 8% of them trucks, projected to reach 2,700 by 2043. The structure is 272 ft (82.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDelaware Avenue
CrossesI 55
Location1.8 MI N US 98/SR 24
RouteCity Street 0
Coordinates31.24793, -90.48048
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length272 ft (82.9 m)
Longest span80 ft (24.4 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2023)
Projected traffic2,700 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Delaware Avenue over I 55 built?

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

What condition is Delaware Avenue 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 December 2024.

How much traffic does Delaware Avenue over I 55 carry?

About 2,700 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Delaware Avenue over I 55?

The structure is 272 ft (82.9 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.

Who owns Delaware Avenue over I 55?

It is owned by the State Highway Agency.