US Bridges

Clifton Hillsboro over Shockaloo Creek

Fair

Scott County, Mississippi · Sec 12 T 7N R 7E B · Structure no. SA6200000000080

Built
1988
37 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
124 ft
4 main spans
Daily traffic
780
2017 count
Owner
County
County Highway Agency

About this bridge

Clifton Hillsboro over Shockaloo Creek is a concrete channel beam carrying Clifton Hillsboro over Shockaloo Creek in Scott County, Mississippi. It was built in 1988, so it is 37 years old, younger 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 780 vehicles a day, roughly 8% of them trucks, projected to reach 1,180 by 2044. The structure is 124 ft (37.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesClifton Hillsboro
CrossesShockaloo Creek
LocationSec 12 T 7N R 7E B
RouteCounty Highway 482
Coordinates32.45884, -89.53886
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2017)
Projected traffic1,180 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$440,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Clifton Hillsboro over Shockaloo Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Clifton Hillsboro over Shockaloo 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 May 2024.

How much traffic does Clifton Hillsboro over Shockaloo Creek carry?

About 780 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is Clifton Hillsboro over Shockaloo Creek?

The structure is 124 ft (37.8 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Clifton Hillsboro over Shockaloo Creek?

It is owned by the County Highway Agency.