US Bridges

SR 486 over Dry Creek

Good

Neshoba County, Mississippi · 7.2 MI E SR 16 · Structure no. 310048605000720

Built
1948
77 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
630
2023 count
Owner
State
State Highway Agency

About this bridge

SR 486 over Dry Creek is a concrete culvert carrying SR 486 over Dry Creek in Neshoba County, Mississippi. It was built in 1948, so it is 77 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 630 vehicles a day, roughly 11% of them trucks, projected to reach 630 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR 486
CrossesDry Creek
Location7.2 MI E SR 16
RouteState Highway 486
Coordinates32.72614, -88.99086
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.8 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2023)
Projected traffic630 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 486 over Dry Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR 486 over Dry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SR 486 over Dry Creek carry?

About 630 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 486 over Dry Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 486 over Dry Creek?

It is owned by the State Highway Agency.