US Bridges

SR 35 over Zilpha Creek

FairPosted for load

Attala County, Mississippi · 3.0 MI S Carroll Cl · Structure no. 310003500417180

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
400 ft
10 main spans
Daily traffic
1,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 35 over Zilpha Creek is a concrete tee beam carrying SR 35 over Zilpha Creek in Attala County, Mississippi. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 1,800 vehicles a day, roughly 21% of them trucks, projected to reach 1,800 by 2043. The structure is 400 ft (121.9 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSR 35
CrossesZilpha Creek
Location3.0 MI S Carroll Cl
RouteState Highway 35
CountyAttala County
StateMississippi
Coordinates33.2379, -89.66073
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 15
Structure length400 ft (121.9 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,800 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 35 over Zilpha Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR 35 over Zilpha Creek 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 June 2023.

How much traffic does SR 35 over Zilpha Creek carry?

About 1,800 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 35 over Zilpha Creek?

The structure is 400 ft (121.9 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns SR 35 over Zilpha Creek?

It is owned by the State Highway Agency.