US Bridges

Old Port Gibson RD over Holcomb Creek

Fair

Copiah County, Mississippi · Sec 32 T 1N R 3W B · Structure no. SA1500000000029

Built
1991
34 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
720
2015 count
Owner
County
County Highway Agency

About this bridge

Old Port Gibson RD over Holcomb Creek is a prestressed concrete stringer/multi-beam or girder carrying Old Port Gibson RD over Holcomb Creek in Copiah County, Mississippi. It was built in 1991, so it is 34 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 720 vehicles a day, roughly 8% of them trucks, projected to reach 1,210 by 2041. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesOld Port Gibson RD
CrossesHolcomb Creek
LocationSec 32 T 1N R 3W B
RouteCounty Highway 307
Coordinates31.87692, -90.52775
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2015)
Projected traffic1,210 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$360,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Port Gibson RD over Holcomb Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Old Port Gibson RD over Holcomb 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 February 2023.

How much traffic does Old Port Gibson RD over Holcomb Creek carry?

About 720 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Old Port Gibson RD over Holcomb Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Old Port Gibson RD over Holcomb Creek?

It is owned by the County Highway Agency.