US Bridges

Duncan Road over Creek

Good

Lowndes County, Mississippi · Sec 12 T16S R17W · Structure no. SA440000000A007

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Duncan Road over Creek is a concrete culvert carrying Duncan Road over Creek in Lowndes County, Mississippi. It was built in 2022, so it is 3 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 250 vehicles a day, roughly 25% of them trucks, projected to reach 375 by 2044. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDuncan Road
CrossesCreek
LocationSec 12 T16S R17W
RouteCounty Highway 84
Coordinates33.68558, -88.27101
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span16 ft (5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic375 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Duncan Road over Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Duncan Road over 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 September 2024.

How much traffic does Duncan Road over Creek carry?

About 250 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Duncan Road over Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (5 m).

Who owns Duncan Road over Creek?

It is owned by the County Highway Agency.