US Bridges

SR 17 over I 55

Fair

Holmes County, Mississippi · SR 17 over I 55 · Structure no. 310001702602570

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
367 ft
2 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 17 over I 55 is a prestressed concrete stringer/multi-beam or girder carrying SR 17 over I 55 in Holmes County, Mississippi. It was built in 1971, so it is 54 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 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,000 by 2043. The structure is 367 ft (111.9 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 17
CrossesI 55
LocationSR 17 over I 55
RouteState Highway 17
Coordinates32.94069, -89.9786
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length367 ft (111.9 m)
Longest span102 ft (31.1 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,000 by 2043
Trucks11%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 17 over I 55 built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 17 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 17 over I 55 carry?

About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 17 over I 55?

The structure is 367 ft (111.9 m) long with a longest span of 102 ft (31.1 m) and a deck 38 ft wide.

Who owns SR 17 over I 55?

It is owned by the State Highway Agency.