US Bridges

SR 25 over I 55

Fair

Hinds County, Mississippi · SR 25 over I 55 · Structure no. 31000250250000A

Built
1970
55 years old, rebuilt 1991
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
347 ft
6 main spans
Daily traffic
39,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 25 over I 55 is a steel continuous stringer/multi-beam or girder carrying SR 25 over I 55 in Hinds County, Mississippi. It was built in 1970 and reconstructed in 1991, so it is 55 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 39,000 vehicles a day, roughly 3% of them trucks, projected to reach 39,000 by 2043. The structure is 347 ft (105.8 m) long and 108 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 25
CrossesI 55
LocationSR 25 over I 55
RouteState Highway 25
CountyHinds County
StateMississippi
Coordinates32.33367, -90.16326
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 inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length347 ft (105.8 m)
Longest span78 ft (23.8 m)
Deck width108 ft (32.9 m)
Roadway width105 ft (32 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,000 (2023)
Projected traffic39,000 by 2043
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 SR 25 over I 55 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1991.

What condition is SR 25 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 July 2024.

How much traffic does SR 25 over I 55 carry?

About 39,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 25 over I 55?

The structure is 347 ft (105.8 m) long with a longest span of 78 ft (23.8 m) and a deck 108 ft wide.

Who owns SR 25 over I 55?

It is owned by the State Highway Agency.