US Bridges

Fdr 309 over Water Prong Creek

Good

Perry County, Mississippi · Sec 11 T1SR9W · Structure no. 080702000003175

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
92 ft
1 main span
Daily traffic
50
1996 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 309 over Water Prong Creek is a concrete channel beam carrying Fdr 309 over Water Prong Creek in Perry County, Mississippi. It was built in 1997, so it is 28 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFdr 309
CrossesWater Prong Creek
LocationSec 11 T1SR9W
RouteFederal Lands Road 309.9
Coordinates30.9817, -88.8626
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length92 ft (28 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1996)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 309 over Water Prong Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Fdr 309 over Water Prong 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 March 2024.

How much traffic does Fdr 309 over Water Prong Creek carry?

About 50 vehicles per day (1996 count).

How long is Fdr 309 over Water Prong Creek?

The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Fdr 309 over Water Prong Creek?

It is owned by the U.S. Forest Service.