US Bridges

Carter Road over 509 over East Ditch Lac

Fair

Humphreys County, Mississippi · Sec 35 T14N R 3W B · Structure no. SA2700000000028

Built
1962
63 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
110
2018 count
Owner
County
County Highway Agency

About this bridge

Carter Road over 509 over East Ditch Lac is a concrete slab carrying Carter Road over 509 over East Ditch Lac in Humphreys County, Mississippi. It was built in 1962, so it is 63 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 110 vehicles a day, roughly 9% of them trucks, projected to reach 165 by 2044. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCarter Road
Crosses509 over East Ditch Lac
LocationSec 35 T14N R 3W B
RouteCounty Highway 509
CountyHumphreys County
StateMississippi
Coordinates33.01981, -90.4771
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating28.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2018)
Projected traffic165 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$452,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carter Road over 509 over East Ditch Lac built?

It was built in 1962, making it 63 years old in 2025.

What condition is Carter Road over 509 over East Ditch Lac 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 November 2024.

How much traffic does Carter Road over 509 over East Ditch Lac carry?

About 110 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Carter Road over 509 over East Ditch Lac?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Carter Road over 509 over East Ditch Lac?

It is owned by the County Highway Agency.