US Bridges

Carter Hill Road over Bayou Pierre River

Fair

Copiah County, Mississippi · Sec 1 T 1N R 4W B · Structure no. SA1500000000033

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
6 main spans
Daily traffic
150
2015 count
Owner
County
County Highway Agency

About this bridge

Carter Hill Road over Bayou Pierre River is a prestressed concrete stringer/multi-beam or girder carrying Carter Hill Road over Bayou Pierre River in Copiah County, Mississippi. It was built in 1975, so it is 50 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 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 275 by 2042. The structure is 320 ft (97.5 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCarter Hill Road
CrossesBayou Pierre River
LocationSec 1 T 1N R 4W B
RouteCounty Highway 399
Coordinates31.95175, -90.56422
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2015)
Projected traffic275 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$960,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carter Hill Road over Bayou Pierre River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Carter Hill Road over Bayou Pierre River 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 May 2023.

How much traffic does Carter Hill Road over Bayou Pierre River carry?

About 150 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Carter Hill Road over Bayou Pierre River?

The structure is 320 ft (97.5 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Carter Hill Road over Bayou Pierre River?

It is owned by the County Highway Agency.