US Bridges

SR 481 over Strong River

Fair

Scott County, Mississippi · 0.3 MI N I 20 · Structure no. 310048106201880

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 481 over Strong River is a concrete slab carrying SR 481 over Strong River in Scott County, Mississippi. It was built in 1966, so it is 59 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 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 1,200 vehicles a day, roughly 11% of them trucks, projected to reach 1,300 by 2043. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 481
CrossesStrong River
Location0.3 MI N I 20
RouteState Highway 481
CountyScott County
StateMississippi
Coordinates32.32035, -89.61542
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating51.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,300 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 481 over Strong River built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR 481 over Strong River 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 December 2024.

How much traffic does SR 481 over Strong River carry?

About 1,200 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 481 over Strong River?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns SR 481 over Strong River?

It is owned by the State Highway Agency.