US Bridges

Granby Road over Jaybird Creek

Fair

Jefferson Davis County, Mississippi · Sec 5 T 7N R18W B · Structure no. SA3300000000055

Built
1988
37 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
114 ft
6 main spans
Daily traffic
500
2024 count
Owner
County
County Highway Agency

About this bridge

Granby Road over Jaybird Creek is a concrete channel beam carrying Granby Road over Jaybird Creek in Jefferson Davis County, Mississippi. It was built in 1988, so it is 37 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 570 by 2046. The structure is 114 ft (34.7 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGranby Road
CrossesJaybird Creek
LocationSec 5 T 7N R18W B
RouteCounty Highway 1292
Coordinates31.60723, -89.82556
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic570 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Granby Road over Jaybird Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Granby Road over Jaybird Creek 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 September 2024.

How much traffic does Granby Road over Jaybird Creek carry?

About 500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Granby Road over Jaybird Creek?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Granby Road over Jaybird Creek?

It is owned by the County Highway Agency.