US Bridges

Carnes Road over Macklin Creek

Good

Forrest County, Mississippi · Sec 16 T 1N R12W B · Structure no. SA180000000A015

Built
2022
3 years old
Condition
Good
inspected September 2022
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
1,200
2022 count
Owner
County
County Highway Agency

About this bridge

Carnes Road over Macklin Creek is a concrete channel beam carrying Carnes Road over Macklin Creek in Forrest 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 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,800 by 2042. The structure is 93 ft (28.3 m) long and 32 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCarnes Road
CrossesMacklin Creek
LocationSec 16 T 1N R12W B
RouteCounty Highway 1155
Coordinates31.04657, -89.20911
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,800 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Carnes Road over Macklin Creek built?

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

What condition is Carnes Road over Macklin 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 2022.

How much traffic does Carnes Road over Macklin Creek carry?

About 1,200 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Carnes Road over Macklin Creek?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Carnes Road over Macklin Creek?

It is owned by the County Highway Agency.