US Bridges

Red Rock Road over Natural Slough

Fair

Sharkey County, Mississippi · No Data Entered · Structure no. 080706000003215

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
76 ft
2 main spans
Daily traffic
50
1995 count
Owner
Federal
U.S. Forest Service

About this bridge

Red Rock Road over Natural Slough is a concrete channel beam carrying Red Rock Road over Natural Slough in Sharkey County, Mississippi. It was built in 1991, so it is 34 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 76 ft (23.2 m) long and 29 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRed Rock Road
CrossesNatural Slough
LocationNo Data Entered
RouteFederal Lands Road 703.1
Coordinates32.8097, -90.7903
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2 (+2 approach)
Design loadHS 15
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1995)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Red Rock Road over Natural Slough built?

It was built in 1991, making it 34 years old in 2025.

What condition is Red Rock Road over Natural Slough 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 February 2024.

How much traffic does Red Rock Road over Natural Slough carry?

About 50 vehicles per day (1995 count).

How long is Red Rock Road over Natural Slough?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 29 ft wide.

Who owns Red Rock Road over Natural Slough?

It is owned by the U.S. Forest Service.