US Bridges

Port Gibson RD over 14 Mile Creek

FairPosted for load

Hinds County, Mississippi · Sec 31 T 5N R 3W B · Structure no. SA2500000000177

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
279 ft
6 main spans
Daily traffic
1,500
2024 count
Owner
County
County Highway Agency

About this bridge

Port Gibson RD over 14 Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Port Gibson RD over 14 Mile Creek in Hinds County, Mississippi. It was built in 1972, so it is 53 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,500 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2044. The structure is 279 ft (85.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPort Gibson RD
Crosses14 Mile Creek
LocationSec 31 T 5N R 3W B
RouteCounty Highway 406
Coordinates32.22542, -90.55303
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating7.9 US tons
Inventory rating4.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6 (+1 approach)
Design loadHS 20
Structure length279 ft (85.1 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic2,250 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$717,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Port Gibson RD over 14 Mile Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Port Gibson RD over 14 Mile 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 August 2024.

How much traffic does Port Gibson RD over 14 Mile Creek carry?

About 1,500 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Port Gibson RD over 14 Mile Creek?

The structure is 279 ft (85.1 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns Port Gibson RD over 14 Mile Creek?

It is owned by the County Highway Agency.