US Bridges

Granby Road over Branch of Jaybird Creek

Good

Jefferson Davis County, Mississippi · Sec 10 T 7N R18W B · Structure no. SA3300000000058

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Channel Beam
Concrete
Length
107 ft
5 main spans
Daily traffic
610
2024 count
Owner
County
County Highway Agency

About this bridge

Granby Road over Branch of Jaybird Creek is a concrete channel beam carrying Granby Road over Branch of Jaybird Creek in Jefferson Davis County, Mississippi. It was built in 1992, so it is 33 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 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 610 vehicles a day, roughly 8% of them trucks, projected to reach 680 by 2046. The structure is 107 ft (32.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGranby Road
CrossesBranch of Jaybird Creek
LocationSec 10 T 7N R18W B
RouteCounty Highway 1292
Coordinates31.59386, -89.79467
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2024)
Projected traffic680 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$65,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Granby Road over Branch of Jaybird Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Granby Road over Branch of 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 September 2024.

How much traffic does Granby Road over Branch of Jaybird Creek carry?

About 610 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Granby Road over Branch of Jaybird Creek?

The structure is 107 ft (32.6 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Granby Road over Branch of Jaybird Creek?

It is owned by the County Highway Agency.