US Bridges

SR 21 over Race Creek

Good

Neshoba County, Mississippi · 4.6 MI N Newton Cl · Structure no. 310002105002430

Built
1984
41 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Race Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 21 over Race Creek in Neshoba County, Mississippi. It was built in 1984, so it is 41 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,900 vehicles a day, roughly 11% of them trucks, projected to reach 2,900 by 2043. The structure is 122 ft (37.2 m) long and 37 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesSR 21
CrossesRace Creek
Location4.6 MI N Newton Cl
RouteState Highway 21
Coordinates32.61868, -89.26122
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating60.3 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic2,900 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 21 over Race Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 21 over Race 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 21 over Race Creek carry?

About 2,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 21 over Race Creek?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns SR 21 over Race Creek?

It is owned by the State Highway Agency.