US Bridges

SR 42 over Jaybird Creek

Good

Jefferson Davis County, Mississippi · 1.5 MI E US 84 · Structure no. 310004203301950

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
1 main span
Daily traffic
3,100
2023 count
Owner
State
State Highway Agency

About this bridge

SR 42 over Jaybird Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 42 over Jaybird Creek in Jefferson Davis County, Mississippi. It was built in 2011, so it is 14 years old, younger 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 3,100 vehicles a day, roughly 9% of them trucks, projected to reach 3,100 by 2043. The structure is 301 ft (91.7 m) long and 47 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSR 42
CrossesJaybird Creek
Location1.5 MI E US 84
RouteState Highway 42
Coordinates31.57105, -89.85648
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating34.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2023)
Projected traffic3,100 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 42 over Jaybird Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR 42 over Jaybird 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 October 2023.

How much traffic does SR 42 over Jaybird Creek carry?

About 3,100 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 42 over Jaybird Creek?

The structure is 301 ft (91.7 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns SR 42 over Jaybird Creek?

It is owned by the State Highway Agency.